--------------------------------------------------------------------------------------------------------------------
      name:  <unnamed>
       log:  C:\research\rfwomen\restat\table3.log
  log type:  text
 opened on:   3 Aug 2016, 10:53:03

. use data_1yr_stacked;

. gen yob=1959-age;

. gen time=yob-1915;

. *  Birth rate;
. *  Women age 18-44;
. reg brate sr10a lnpopm urbshf i.yob i.regno, cluster(regno);

Linear regression                               Number of obs     =      2,025
                                                F(28, 74)         =          .
                                                Prob > F          =          .
                                                R-squared         =     0.9414
                                                Root MSE          =     16.081

                                 (Std. Err. adjusted for 75 clusters in regno)
------------------------------------------------------------------------------
             |               Robust
       brate |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       sr10a |   22.32092    12.5479     1.78   0.079    -2.681321    47.32315
      lnpopm |  -2.405449   11.25231    -0.21   0.831    -24.82618    20.01528
      urbshf |  -95.25599   34.66765    -2.75   0.008    -164.3328   -26.17919
             |
         yob |
       1916  |   5.459128   2.188278     2.49   0.015     1.098889    9.819366
       1917  |   13.96685   3.658384     3.82   0.000     6.677364    21.25634
       1918  |   19.32944   5.440029     3.55   0.001     8.489944    30.16893
       1919  |   29.93773   1.552619    19.28   0.000     26.84407    33.03139
       1920  |   34.45493   3.319221    10.38   0.000     27.84124    41.06862
       1921  |   46.58986   2.672689    17.43   0.000     41.26441    51.91531
       1922  |   55.31215    2.95209    18.74   0.000     49.42998    61.19431
       1923  |   58.88234   2.392249    24.61   0.000     54.11568      63.649
       1924  |    73.5155   3.373569    21.79   0.000     66.79352    80.23749
       1925  |   78.56783   4.382976    17.93   0.000     69.83456     87.3011
       1926  |   84.22602   5.474905    15.38   0.000     73.31704    95.13501
       1927  |   103.4882   7.837828    13.20   0.000     87.87096    119.1054
       1928  |   104.2077   7.848006    13.28   0.000     88.57022    119.8452
       1929  |   130.1035   9.426076    13.80   0.000     111.3217    148.8854
       1930  |   128.1269    7.98834    16.04   0.000     112.2098    144.0441
       1931  |   142.3701   8.499719    16.75   0.000     125.4341    159.3062
       1932  |   155.9045   6.712625    23.23   0.000     142.5293    169.2796
       1933  |   153.2756   6.378109    24.03   0.000     140.5669    165.9842
       1934  |   170.3345   5.369933    31.72   0.000     159.6346    181.0343
       1935  |   183.2487   5.897916    31.07   0.000     171.4968    195.0005
       1936  |   177.6857   7.849725    22.64   0.000     162.0448    193.3266
       1937  |   171.2269   8.906732    19.22   0.000     153.4799     188.974
       1938  |   137.0285   10.71309    12.79   0.000     115.6822    158.3748
       1939  |   116.6634   10.75825    10.84   0.000     95.22716    138.0997
       1940  |   58.30942   10.21468     5.71   0.000     37.95623    78.66262
       1941  |   22.16555   8.683307     2.55   0.013     4.863686    39.46742
             |
       regno |
          2  |   9.012796    4.92533     1.83   0.071    -.8011383    18.82673
          3  |  -2.474092   6.908778    -0.36   0.721    -16.24013    11.29195
          5  |  -18.52719    9.73405    -1.90   0.061    -37.92271    .8683306
          6  |   .3222185   9.129619     0.04   0.972    -17.86894    18.51338
          7  |  -22.09238   24.80086    -0.89   0.376    -71.50916    27.32441
          8  |   -43.1564   7.265911    -5.94   0.000    -57.63405   -28.67876
          9  |  -47.69649   8.208645    -5.81   0.000    -64.05257   -31.34041
         10  |  -57.97112   11.48161    -5.05   0.000    -80.84874   -35.09351
         11  |  -23.45356   10.94391    -2.14   0.035    -45.25977   -1.647352
         12  |  -23.46736   7.582955    -3.09   0.003    -38.57672   -8.357989
         13  |  -23.85175   7.851856    -3.04   0.003    -39.49691   -8.206585
         14  |  -33.57699   8.556535    -3.92   0.000    -50.62626   -16.52772
         15  |  -29.07837   7.177688    -4.05   0.000    -43.38022   -14.77651
         16  |  -16.22059   28.81528    -0.56   0.575    -73.63629    41.19511
         17  |  -38.55579   24.39032    -1.58   0.118    -87.15456    10.04298
         18  |   -45.8023   13.11027    -3.49   0.001    -71.92509   -19.67952
         19  |   -40.0185   11.26894    -3.55   0.001    -62.47235   -17.56465
         20  |    -46.544   10.09938    -4.61   0.000    -66.66746   -26.42055
         21  |  -43.00725   10.53583    -4.08   0.000    -64.00034   -22.01415
         22  |  -24.89668   11.75306    -2.12   0.038    -48.31516    -1.47821
         23  |  -32.96925   7.685346    -4.29   0.000    -48.28263   -17.65586
         24  |  -12.91502   13.15749    -0.98   0.330    -39.13189    13.30184
         25  |  -23.90014   15.35933    -1.56   0.124    -54.50428    6.703997
         26  |  -10.28955    13.4558    -0.76   0.447    -37.10083    16.52172
         27  |  -21.54776   11.87699    -1.81   0.074    -45.21317    2.117649
         28  |  -20.99911   17.84725    -1.18   0.243    -56.56054    14.56231
         29  |  -50.79637   15.15145    -3.35   0.001     -80.9863   -20.60644
         30  |  -38.88736   13.87713    -2.80   0.006    -66.53815   -11.23656
         31  |  -39.46911   14.58932    -2.71   0.008    -68.53896   -10.39925
         32  |   -32.1737   11.05538    -2.91   0.005    -54.20203   -10.14537
         33  |  -31.20232   12.84533    -2.43   0.018    -56.79719    -5.60745
         34  |   3.473001   25.12919     0.14   0.890    -46.59801    53.54401
         35  |  -.5758795   14.63843    -0.04   0.969    -29.74359    28.59184
         36  |  -8.111713   4.332283    -1.87   0.065    -16.74398      .52055
         37  |  -19.99972   10.35779    -1.93   0.057    -40.63807    .6386361
         38  |  -28.30942   10.84608    -2.61   0.011    -49.92071   -6.698125
         39  |  -15.36223   13.36749    -1.15   0.254    -41.99754    11.27307
         40  |  -26.46178   12.03215    -2.20   0.031    -50.43636   -2.487209
         41  |  -28.71858   8.924683    -3.22   0.002     -46.5014   -10.93576
         42  |  -41.20146   17.54338    -2.35   0.022     -76.1574   -6.245515
         43  |   35.70451   11.00109     3.25   0.002     13.78436    57.62466
         44  |   .5974232   10.96373     0.05   0.957    -21.24828    22.44312
         46  |  -30.54971   6.870013    -4.45   0.000    -44.23851   -16.86091
         47  |   20.07591   7.197714     2.79   0.007     5.734157    34.41767
         49  |  -36.77986   17.95964    -2.05   0.044    -72.56522   -.9944943
         50  |  -41.69598   13.26251    -3.14   0.002    -68.12212   -15.26985
         51  |   -25.5712   17.11132    -1.49   0.139    -59.66626    8.523856
         52  |   6.513086   16.38472     0.40   0.692    -26.13419    39.16036
         53  |   1.525829   7.845575     0.19   0.846    -14.10682    17.15848
         54  |  -36.32399   10.09092    -3.60   0.001    -56.43059   -16.21739
         55  |  -4.531517   10.22829    -0.44   0.659    -24.91182    15.84879
         56  |  -2.847669   16.25933    -0.18   0.861     -35.2451    29.54976
         58  |  -3.529946   22.25167    -0.16   0.874    -47.86736    40.80747
         59  |   1.149788   18.48774     0.06   0.951    -35.68785    37.98742
         61  |  -14.52098   15.69653    -0.93   0.358    -45.79699    16.75503
         62  |   12.86432   18.11357     0.71   0.480    -23.22777     48.9564
         63  |  -10.06453    13.2485    -0.76   0.450    -36.46275    16.33369
         64  |  -7.990928   10.02822    -0.80   0.428     -27.9726    11.99074
         65  |  -17.22362   4.375139    -3.94   0.000    -25.94128   -8.505968
         66  |  -17.93937   10.66982    -1.68   0.097    -39.19945    3.320702
         69  |   3.852214   7.633499     0.50   0.615    -11.35786    19.06229
         70  |   17.08615   22.21123     0.77   0.444    -27.17069      61.343
         71  |  -4.578653   7.535968    -0.61   0.545     -19.5944    10.43709
         72  |  -15.25442   14.79951    -1.03   0.306    -44.74308    14.23424
         75  |   .8638609    12.5573     0.07   0.945    -24.15711    25.88483
         77  |   7.294405   4.472405     1.63   0.107    -1.617056    16.20587
         79  |   4.835859   7.015531     0.69   0.493    -9.142892    18.81461
         82  |  -10.40862   8.739381    -1.19   0.237    -27.82221    7.004979
         83  |  -4.363761   8.261746    -0.53   0.599    -20.82565    12.09813
         84  |   -5.22814   1.236794    -4.23   0.000    -7.692506   -2.763773
         85  |  -11.49712   11.39597    -1.01   0.316    -34.20409    11.20986
         87  |  -9.142041   12.45929    -0.73   0.465    -33.96772    15.68364
         88  |  -.5665077   4.699251    -0.12   0.904    -9.929969    8.796953
         89  |  -21.40317   1.459373   -14.67   0.000    -24.31103    -18.4953
             |
       _cons |   81.38759   95.74295     0.85   0.398    -109.3844    272.1596
------------------------------------------------------------------------------

. reg brate sr10a lnpopm urbshf i.yob i.regno [aweight=popf], cluster(regno);
(sum of wgt is   2.7470e+07)

Linear regression                               Number of obs     =      2,025
                                                F(28, 74)         =          .
                                                Prob > F          =          .
                                                R-squared         =     0.9397
                                                Root MSE          =     15.364

                                 (Std. Err. adjusted for 75 clusters in regno)
------------------------------------------------------------------------------
             |               Robust
       brate |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       sr10a |   30.52145   22.64008     1.35   0.182    -14.58991     75.6328
      lnpopm |   19.33383   8.094389     2.39   0.019     3.205411    35.46225
      urbshf |  -45.95789   49.74766    -0.92   0.359    -145.0823    53.16649
             |
         yob |
       1916  |   8.409661   1.550574     5.42   0.000     5.320075    11.49925
       1917  |   17.70402   2.630047     6.73   0.000     12.46354    22.94451
       1918  |    26.4098   3.781112     6.98   0.000     18.87577    33.94383
       1919  |   25.80894    1.90599    13.54   0.000     22.01117     29.6067
       1920  |   34.63246   2.559939    13.53   0.000     29.53167    39.73325
       1921  |   43.85891   2.970116    14.77   0.000     37.94082    49.77699
       1922  |   51.04018   3.177431    16.06   0.000     44.70901    57.37135
       1923  |   53.35075   3.129765    17.05   0.000     47.11456    59.58694
       1924  |   62.25863   4.436342    14.03   0.000     53.41902    71.09823
       1925  |   63.04029   4.923354    12.80   0.000     53.23029    72.85028
       1926  |    65.9079   6.152073    10.71   0.000     53.64962    78.16617
       1927  |   77.20241   7.930156     9.74   0.000     61.40123    93.00359
       1928  |   78.28992   8.235521     9.51   0.000     61.88029    94.69956
       1929  |   100.2002    9.59676    10.44   0.000     81.07824    119.3222
       1930  |   101.3417   8.723252    11.62   0.000     83.96027    118.7232
       1931  |   114.3315   9.594974    11.92   0.000     95.21308    133.4499
       1932  |   128.3279   9.286787    13.82   0.000     109.8236    146.8322
       1933  |   130.4022   8.847317    14.74   0.000     112.7736    148.0309
       1934  |   149.5981   9.117992    16.41   0.000     131.4301    167.7661
       1935  |   161.3333   10.09622    15.98   0.000     141.2161    181.4504
       1936  |   151.0631   11.39953    13.25   0.000     128.3491    173.7772
       1937  |   142.7952   12.39428    11.52   0.000      118.099    167.4913
       1938  |   105.4877   13.81932     7.63   0.000     77.95206    133.0232
       1939  |   86.50316   13.20572     6.55   0.000     60.19018    112.8161
       1940  |   30.95717   11.82753     2.62   0.011     7.390297    54.52405
       1941  |  -1.697131   10.52594    -0.16   0.872    -22.67053    19.27627
             |
       regno |
          2  |  -2.779642   7.477985    -0.37   0.711    -17.67985    12.12057
          3  |   -14.8018   4.991959    -2.97   0.004    -24.74849   -4.855101
          5  |  -16.79277    12.5829    -1.33   0.186    -41.86475    8.279208
          6  |  -13.97294   13.38235    -1.04   0.300    -40.63786    12.69198
          7  |  -75.05959   24.42207    -3.07   0.003    -123.7216   -26.39754
          8  |   -50.3341   7.113026    -7.08   0.000    -64.50712   -36.16109
          9  |  -36.71988   11.64895    -3.15   0.002    -59.93091   -13.50885
         10  |  -46.21969    16.4343    -2.81   0.006    -78.96574   -13.47364
         11  |  -22.66219   13.87947    -1.63   0.107    -50.31764    4.993259
         12  |  -36.22533   5.627566    -6.44   0.000     -47.4385   -25.01216
         13  |  -39.92817   6.644143    -6.01   0.000    -53.16692   -26.68943
         14  |  -26.09257   12.11244    -2.15   0.034    -50.22712   -1.958015
         15  |  -24.97172   9.848919    -2.54   0.013    -44.59612   -5.347319
         16  |  -77.79721     26.915    -2.89   0.005    -131.4265    -24.1679
         17  |  -84.57294   17.33334    -4.88   0.000    -119.1104   -50.03551
         18  |  -30.83542   18.85776    -1.64   0.106    -68.41033     6.73949
         19  |  -40.15231   14.35305    -2.80   0.007    -68.75139   -11.55324
         20  |  -40.64007   13.95745    -2.91   0.005     -68.4509   -12.82925
         21  |  -54.93565   9.266954    -5.93   0.000    -73.40046   -36.47084
         22  |  -47.73337   8.121045    -5.88   0.000    -63.91491   -31.55183
         23  |  -47.01304   5.519053    -8.52   0.000       -58.01   -36.01609
         24  |    10.6457   18.23938     0.58   0.561    -25.69706    46.98846
         25  |  -5.192608   22.19033    -0.23   0.816     -49.4078    39.02258
         26  |   2.140851   19.41141     0.11   0.912    -36.53723    40.81894
         27  |  -30.58608   12.11302    -2.53   0.014     -54.7218   -6.450358
         28  |  -51.62282   12.73071    -4.05   0.000    -76.98932   -26.25632
         29  |  -37.90815   21.64229    -1.75   0.084    -81.03135    5.215051
         30  |   -49.8235   14.11165    -3.53   0.001    -77.94159   -21.70542
         31  |   -32.7763   20.09224    -1.63   0.107    -72.81096    7.258367
         32  |  -24.50541   15.46053    -1.59   0.117    -55.31118    6.300359
         33  |  -28.46002   17.06837    -1.67   0.100    -62.46949    5.549441
         34  |   55.76219   27.87936     2.00   0.049     .2113487     111.313
         35  |   -21.8772   12.33306    -1.77   0.080    -46.45135    2.696959
         36  |   -1.72843    6.13766    -0.28   0.779    -13.95798    10.50112
         37  |  -36.95543   7.330767    -5.04   0.000     -51.5623   -22.34856
         38  |   -29.4566   13.49899    -2.18   0.032    -56.35393   -2.559274
         39  |  -41.84851   9.650373    -4.34   0.000     -61.0773   -22.61973
         40  |  -46.58444    8.52304    -5.47   0.000    -63.56696   -29.60191
         41  |   -24.1454   12.23202    -1.97   0.052    -48.51823    .2274301
         42  |  -3.558327   19.25992    -0.18   0.854    -41.93456    34.81791
         43  |   37.88975   16.72389     2.27   0.026     4.566674    71.21283
         44  |   21.28287   13.13439     1.62   0.109    -4.887962    47.45371
         46  |  -21.05451   6.914251    -3.05   0.003    -34.83146   -7.277564
         47  |   32.45519   10.45935     3.10   0.003     11.61449    53.29589
         49  |  -58.85184   15.16981    -3.88   0.000    -89.07834   -28.62534
         50  |  -44.48902   16.03977    -2.77   0.007    -76.44896   -12.52908
         51  |  -55.84364   11.98907    -4.66   0.000    -79.73238    -31.9549
         52  |  -14.45599   13.96972    -1.03   0.304    -42.29126    13.37929
         53  |  -.4450388   9.123817    -0.05   0.961    -18.62464    17.73456
         54  |  -26.28064   14.24519    -1.84   0.069     -54.6648     2.10353
         55  |  -15.54342   9.286472    -1.67   0.098    -34.04712    2.960275
         56  |  -34.21794   11.26158    -3.04   0.003    -56.65712   -11.77875
         58  |  -50.62895   17.67606    -2.86   0.005    -85.84927   -15.40864
         59  |  -37.46122   15.11639    -2.48   0.015    -67.58128   -7.341152
         61  |  -27.26701   15.27251    -1.79   0.078    -57.69814    3.164125
         62  |  -25.62341   15.03147    -1.70   0.092    -55.57426    4.327452
         63  |  -32.75206    9.22979    -3.55   0.001    -51.14281    -14.3613
         64  |  -15.95626   9.498147    -1.68   0.097    -34.88173    2.969214
         65  |  -13.31036   5.792964    -2.30   0.024    -24.85309   -1.767626
         66  |  -10.58049   14.94327    -0.71   0.481    -40.35561    19.19463
         69  |   17.93807   10.47354     1.71   0.091    -2.930924    38.80706
         70  |   64.16532   22.73739     2.82   0.006     18.86008    109.4706
         71  |    12.3393   7.333943     1.68   0.097    -2.273895    26.95251
         72  |  -40.49726   10.32817    -3.92   0.000    -61.07659   -19.91792
         75  |  -26.86093   8.819841    -3.05   0.003    -44.43485   -9.287016
         77  |   5.808296    4.62874     1.25   0.213    -3.414671    15.03126
         79  |   13.74521    9.38556     1.46   0.147    -4.955927    32.44635
         82  |  -27.99751   6.455597    -4.34   0.000    -40.86056   -15.13445
         83  |  -22.26419     8.1279    -2.74   0.008    -38.45938   -6.068991
         84  |  -2.940726   1.952897    -1.51   0.136    -6.831958    .9505058
         85  |   6.905389   9.342228     0.74   0.462    -11.70941    25.52018
         87  |  -15.06604   17.09276    -0.88   0.381    -49.12411    18.99203
         88  |  -10.50414   7.022022    -1.50   0.139    -24.49582    3.487544
         89  |  -22.10598   3.044634    -7.26   0.000    -28.17254   -16.03941
             |
       _cons |  -124.8629   76.44457    -1.63   0.107     -277.182    27.45621
------------------------------------------------------------------------------

. reg brate sr10a lnpopm urbshf i.yob i.regno i.regno#c.time, cluster(regno);
note: 89.regno#c.time omitted because of collinearity

Linear regression                               Number of obs     =      2,025
                                                F(27, 74)         =          .
                                                Prob > F          =          .
                                                R-squared         =     0.9623
                                                Root MSE          =     13.158

                                 (Std. Err. adjusted for 75 clusters in regno)
------------------------------------------------------------------------------
             |               Robust
       brate |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       sr10a |   160.6565   28.75443     5.59   0.000     103.3621     217.951
      lnpopm |    2.85851   5.803162     0.49   0.624    -8.704543    14.42156
      urbshf |  -118.6719    29.8582    -3.97   0.000    -178.1657   -59.17818
             |
         yob |
       1916  |   6.944055   1.156944     6.00   0.000     4.638793    9.249317
       1917  |   17.07179   1.906716     8.95   0.000     13.27257      20.871
       1918  |   24.14185   2.863392     8.43   0.000     18.43642    29.84729
       1919  |   32.98393   1.770805    18.63   0.000     29.45552    36.51233
       1920  |   39.80019   2.634861    15.11   0.000     34.55011    45.05026
       1921  |   52.82725   2.589184    20.40   0.000     47.66819    57.98631
       1922  |   62.67988   2.956483    21.20   0.000     56.78896     68.5708
       1923  |   65.56954   2.683596    24.43   0.000     60.22236    70.91673
       1924  |   78.43503   3.375716    23.24   0.000     71.70877    85.16129
       1925  |    80.5833   3.914621    20.59   0.000     72.78325    88.38335
       1926  |   82.03996   4.370142    18.77   0.000     73.33226    90.74766
       1927  |   96.78817   5.623152    17.21   0.000     85.58379    107.9925
       1928  |   94.37056   5.657295    16.68   0.000     83.09816     105.643
       1929  |   116.4608      6.322    18.42   0.000     103.8639    129.0577
       1930  |   112.5834    6.09649    18.47   0.000     100.4359    124.7309
       1931  |   124.2114   6.130443    20.26   0.000     111.9962    136.4265
       1932  |   137.0013   5.725063    23.93   0.000     125.5938    148.4087
       1933  |   132.2105   5.419058    24.40   0.000     121.4128    143.0082
       1934  |    147.317   5.010721    29.40   0.000     137.3329     157.301
       1935  |   157.7514   5.527533    28.54   0.000     146.7375    168.7652
       1936  |   148.5281   6.848582    21.69   0.000      134.882    162.1742
       1937  |    139.722   7.336364    19.05   0.000     125.1039      154.34
       1938  |   103.8441   8.740735    11.88   0.000     86.42782    121.2604
       1939  |   83.25266   8.519522     9.77   0.000     66.27715    100.2282
       1940  |    25.1486   8.623493     2.92   0.005     7.965912    42.33128
       1941  |  -10.47852   8.186222    -1.28   0.205    -26.78992    5.832887
             |
       regno |
          2  |  -44.64206   8.410204    -5.31   0.000    -61.39976   -27.88437
          3  |  -.4202598   4.884071    -0.09   0.932    -10.15198    9.311463
          5  |   -.558486   10.10784    -0.06   0.956     -20.6988    19.58183
          6  |   .2044947   7.596783     0.03   0.979    -14.93243    15.34142
          7  |   4.330694   17.99201     0.24   0.810    -31.51917    40.18056
          8  |  -44.46846    5.31465    -8.37   0.000    -55.05814   -33.87879
          9  |  -32.85717   7.527296    -4.37   0.000    -47.85564   -17.85871
         10  |  -52.29502   10.52247    -4.97   0.000     -73.2615   -31.32854
         11  |  -20.36551   9.185431    -2.22   0.030    -38.66788   -2.063139
         12  |  -20.15831   4.903143    -4.11   0.000    -29.92804   -10.38858
         13  |  -1.964201   5.546001    -0.35   0.724    -13.01485    9.086446
         14  |  -28.81536   8.277124    -3.48   0.001    -45.30789   -12.32283
         15  |  -20.64758   8.297561    -2.49   0.015    -37.18083    -4.11433
         16  |  -1.489927   20.00163    -0.07   0.941    -41.34404    38.36419
         17  |  -45.82029   14.04814    -3.26   0.002    -73.81183   -17.82876
         18  |   -45.7046   12.24625    -3.73   0.000    -70.10578   -21.30343
         19  |  -40.58157   10.75986    -3.77   0.000    -62.02107   -19.14207
         20  |  -35.55047   10.27919    -3.46   0.001     -56.0322   -15.06873
         21  |  -37.13759   8.347042    -4.45   0.000    -53.76944   -20.50575
         22  |  -37.28002   7.608778    -4.90   0.000    -52.44085    -22.1192
         23  |  -18.28286   5.322185    -3.44   0.001    -28.88755   -7.678175
         24  |   6.701506   12.61289     0.53   0.597    -18.43022    31.83323
         25  |  -12.34733    14.1721    -0.87   0.386    -40.58584    15.89119
         26  |   16.22949   12.43806     1.30   0.196    -8.553878    41.01286
         27  |  -19.11021   9.482938    -2.02   0.048    -38.00537   -.2150413
         28  |  -23.10338   10.06907    -2.29   0.025    -43.16644   -3.040313
         29  |  -64.04535   13.70412    -4.67   0.000     -91.3514    -36.7393
         30  |  -52.18443    10.1062    -5.16   0.000    -72.32148   -32.04737
         31  |  -49.85652     12.867    -3.87   0.000    -75.49457   -24.21846
         32  |  -32.78673   10.84984    -3.02   0.003    -54.40552   -11.16794
         33  |   -40.4441   10.98456    -3.68   0.000    -62.33131   -18.55688
         34  |  -36.78092   18.03323    -2.04   0.045     -72.7129   -.8489296
         35  |     15.042   8.674241     1.73   0.087      -2.2418     32.3258
         36  |  -28.00536   2.930348    -9.56   0.000    -33.84421   -22.16652
         37  |  -51.83839   6.683798    -7.76   0.000    -65.15615   -38.52063
         38  |   -34.5106   9.743582    -3.54   0.001    -53.92511   -15.09609
         39  |  -38.54586   8.519296    -4.52   0.000    -55.52092   -21.57079
         40  |  -45.40993   7.558089    -6.01   0.000    -60.46976   -30.35011
         41  |  -37.85275   8.103464    -4.67   0.000    -53.99926   -21.70625
         42  |  -59.50617    10.3466    -5.75   0.000    -80.12223   -38.89011
         43  |   48.64928   7.823028     6.22   0.000     33.06156    64.23701
         44  |  -11.80983   6.066432    -1.95   0.055    -23.89746    .2777943
         46  |  -6.065342   3.463582    -1.75   0.084    -12.96668    .8359953
         47  |  -9.896143   5.744606    -1.72   0.089    -21.34252    1.550234
         49  |   -78.3581   11.13646    -7.04   0.000     -100.548   -56.16822
         50  |  -80.54893   9.048608    -8.90   0.000    -98.57867   -62.51918
         51  |   -58.0839   9.551942    -6.08   0.000    -77.11655   -39.05124
         52  |   -5.42614   9.462116    -0.57   0.568    -24.27982    13.42754
         53  |   .1225419   6.728554     0.02   0.986    -13.28439    13.52948
         54  |  -57.65828   9.889734    -5.83   0.000    -77.36401   -37.95256
         55  |  -25.01228   6.566145    -3.81   0.000    -38.09561   -11.92895
         56  |  -21.44921   8.916489    -2.41   0.019    -39.21571   -3.682721
         58  |  -26.07878   13.11236    -1.99   0.050    -52.20572    .0481716
         59  |  -29.10049    11.5379    -2.52   0.014    -52.09026   -6.110713
         61  |  -60.00947   10.67974    -5.62   0.000    -81.28932   -38.72961
         62  |   -25.7912   11.04547    -2.34   0.022    -47.79978   -3.782619
         63  |  -35.95219   7.353937    -4.89   0.000    -50.60523   -21.29915
         64  |  -39.77401   7.085129    -5.61   0.000    -53.89144   -25.65659
         65  |  -39.38502   6.374443    -6.18   0.000    -52.08637   -26.68366
         66  |  -37.83614   9.690378    -3.90   0.000    -57.14464   -18.52764
         69  |  -39.37352   7.845063    -5.02   0.000    -55.00515   -23.74189
         70  |   -57.1952    17.4311    -3.28   0.002    -91.92742   -22.46298
         71  |  -39.25171   5.149814    -7.62   0.000    -49.51294   -28.99049
         72  |  -60.80369   9.171479    -6.63   0.000    -79.07827   -42.52912
         75  |  -46.76499   10.09511    -4.63   0.000    -66.87993   -26.65005
         77  |  -33.11637   4.511063    -7.34   0.000    -42.10486   -24.12788
         79  |   -56.4224   14.01994    -4.02   0.000    -84.35775   -28.48705
         82  |  -62.05887   8.740799    -7.10   0.000     -79.4753   -44.64245
         83  |  -61.39683   11.29515    -5.44   0.000     -83.9029   -38.89075
         84  |  -68.53808   8.174601    -8.38   0.000    -84.82632   -52.24983
         85  |  -85.11041   12.24883    -6.95   0.000    -109.5167   -60.70408
         87  |  -188.2541   32.83443    -5.73   0.000    -253.6782   -122.8301
         88  |  -72.07471   12.02412    -5.99   0.000     -96.0333   -48.11612
         89  |  -29.49583   2.169727   -13.59   0.000    -33.81911   -25.17256
             |
regno#c.time |
          1  |  -1.587668   .3028591    -5.24   0.000    -2.191128   -.9842081
          2  |  -1.687635   .4999298    -3.38   0.001    -2.683767   -.6915036
          3  |  -3.097436   .6109914    -5.07   0.000    -4.314863   -1.880009
          5  |  -3.357732   .5339099    -6.29   0.000    -4.421571   -2.293893
          6  |  -1.496099    .313129    -4.78   0.000    -2.120022   -.8721755
          7  |  -2.893354   .2182447   -13.26   0.000    -3.328216   -2.458492
          8  |   -1.51898   .2017524    -7.53   0.000    -1.920981    -1.11698
          9  |   -2.71024   .3703899    -7.32   0.000    -3.448258   -1.972222
         10  |  -2.143924   .3097461    -6.92   0.000    -2.761106   -1.526741
         11  |   -1.52404   .2327008    -6.55   0.000    -1.987707   -1.060374
         12  |  -1.664773   .2352732    -7.08   0.000    -2.133566   -1.195981
         13  |  -2.507532   .2718408    -9.22   0.000    -3.049186   -1.965877
         14  |  -1.884785    .345914    -5.45   0.000    -2.574033   -1.195536
         15  |  -2.561737   .4823221    -5.31   0.000    -3.522784   -1.600689
         16  |  -2.456438   .1889422   -13.00   0.000    -2.832914   -2.079963
         17  |  -1.557562   .1515854   -10.28   0.000    -1.859602   -1.255521
         18  |  -1.924781   .3594267    -5.36   0.000    -2.640954   -1.208607
         19  |  -2.239742   .4506057    -4.97   0.000    -3.137593   -1.341891
         20  |  -2.431729   .4272401    -5.69   0.000    -3.283024   -1.580435
         21  |  -2.254398   .3940301    -5.72   0.000     -3.03952   -1.469276
         22  |  -1.230307   .2413995    -5.10   0.000    -1.711306   -.7493076
         23  |  -2.624277      .3185    -8.24   0.000    -3.258902   -1.989652
         24  |  -2.477979   .3153299    -7.86   0.000    -3.106287    -1.84967
         25  |  -2.343251    .297726    -7.87   0.000    -2.936483   -1.750019
         26  |  -3.106336   .2229894   -13.93   0.000    -3.550652    -2.66202
         27  |    -2.4934   .5073842    -4.91   0.000    -3.504386   -1.482415
         28  |  -1.975308   .2890649    -6.83   0.000    -2.551282   -1.399334
         29  |  -.7631214   .3219509    -2.37   0.020    -1.404623   -.1216203
         30  |  -1.030321   .2956181    -3.49   0.001    -1.619353   -.4412895
         31  |  -1.369124   .3400757    -4.03   0.000    -2.046739    -.691508
         32  |   -1.74672   .3645017    -4.79   0.000    -2.473006   -1.020435
         33  |  -1.664045   .3639924    -4.57   0.000    -2.389316   -.9387744
         34  |   .1561091   .2029226     0.77   0.444    -.2482231    .5604412
         35  |  -3.037249   .2806045   -10.82   0.000    -3.596366   -2.478133
         36  |  -.5908912   .2588323    -2.28   0.025    -1.106626   -.0751565
         37  |   .2225585   .2506099     0.89   0.377    -.2767926    .7219096
         38  |  -1.495237   .3130131    -4.78   0.000    -2.118929   -.8715448
         39  |  -.5230422   .1759104    -2.97   0.004    -.8735513   -.1725332
         40  |  -.9360706   .2966419    -3.16   0.002    -1.527142   -.3449988
         41  |  -1.222617   .2819748    -4.34   0.000    -1.784464   -.6607702
         42  |  -.0594765   .1838026    -0.32   0.747    -.4257113    .3067583
         43  |  -3.176029   .1420837   -22.35   0.000    -3.459137   -2.892921
         44  |  -1.084603    .320411    -3.39   0.001    -1.723036   -.4461699
         46  |  -3.276851   .1757056   -18.65   0.000    -3.626952    -2.92675
         47  |   .2543148   .1995813     1.27   0.207    -.1433597    .6519893
         49  |   .5221328   .2215079     2.36   0.021     .0807686    .9634969
         50  |    .371393   .2233721     1.66   0.101    -.0736855    .8164715
         51  |  -.0645454   .2496851    -0.26   0.797    -.5620538    .4329631
         52  |  -1.399511     .25181    -5.56   0.000    -1.901253   -.8977685
         53  |  -1.229041   .2781096    -4.42   0.000    -1.783186   -.6748955
         54  |  -.2907465   .3249273    -0.89   0.374    -.9381782    .3566853
         55  |  -.6442631   .2608707    -2.47   0.016    -1.164059   -.1244669
         56  |  -1.206378   .3196847    -3.77   0.000    -1.843364   -.5693924
         58  |  -.9282603   .2659694    -3.49   0.001    -1.458216   -.3983047
         59  |  -.0622135   .1397286    -0.45   0.657    -.3406288    .2162018
         61  |   .7895203   .3016202     2.62   0.011      .188529    1.390512
         62  |   .0713496   .2864116     0.25   0.804    -.4993379    .6420371
         63  |  -.2328131   .2326704    -1.00   0.320    -.6964191    .2307928
         64  |    .113671   .2134365     0.53   0.596    -.3116106    .5389525
         65  |  -.5823826    .346629    -1.68   0.097    -1.273056    .1082907
         66  |  -.5487884   .2388079    -2.30   0.024    -1.024624   -.0729532
         69  |   1.231214   .0782637    15.73   0.000      1.07527    1.387158
         70  |   2.586628   .3524536     7.34   0.000     1.884349    3.288907
         71  |   .7216432   .1647734     4.38   0.000     .3933251    1.049961
         72  |  -.0839775   .2691215    -0.31   0.756    -.6202139    .4522588
         75  |  -.4115168   .1752687    -2.35   0.022    -.7607474   -.0622862
         77  |   .9793602    .079354    12.34   0.000     .8212439    1.137477
         79  |  -.0169095    .202631    -0.08   0.934    -.4206605    .3868415
         82  |   1.300191   .0650047    20.00   0.000     1.170666    1.429716
         83  |   1.579613   .1728937     9.14   0.000     1.235115    1.924111
         84  |   2.208618   .1479868    14.92   0.000     1.913748    2.503488
         85  |   2.479072   .1593533    15.56   0.000     2.161554    2.796591
         87  |   6.010348   .8101476     7.42   0.000     4.396093    7.624602
         88  |   2.139618   .1772945    12.07   0.000     1.786351    2.492885
         89  |          0  (omitted)
             |
       _cons |  -22.78396    57.6898    -0.39   0.694    -137.7334    92.16548
------------------------------------------------------------------------------

. reg brate sr10a lnpopm urbshf i.yob i.regno i.regno#c.time [aweight=popf], cluster(regno);
(sum of wgt is   2.7470e+07)
note: 89.regno#c.time omitted because of collinearity

Linear regression                               Number of obs     =      2,025
                                                F(27, 74)         =          .
                                                Prob > F          =          .
                                                R-squared         =     0.9630
                                                Root MSE          =     12.264

                                 (Std. Err. adjusted for 75 clusters in regno)
------------------------------------------------------------------------------
             |               Robust
       brate |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       sr10a |   167.0727   43.30912     3.86   0.000     80.77739     253.368
      lnpopm |   7.653237   7.913149     0.97   0.337    -8.114058    23.42053
      urbshf |  -103.0101   48.62487    -2.12   0.037    -199.8973   -6.122956
             |
         yob |
       1916  |   7.091895   1.467222     4.83   0.000     4.168393     10.0154
       1917  |   15.79118   2.463045     6.41   0.000     10.88346     20.6989
       1918  |   23.91971   3.859589     6.20   0.000     16.22931    31.61011
       1919  |   28.51241   2.091111    13.64   0.000     24.34578    32.67904
       1920  |   34.76147   3.128517    11.11   0.000     28.52776    40.99517
       1921  |    47.2642   3.111774    15.19   0.000     41.06385    53.46454
       1922  |   54.76701   3.183747    17.20   0.000     48.42326    61.11076
       1923  |   58.86103   3.010054    19.55   0.000     52.86337    64.85869
       1924  |   69.66991   3.433061    20.29   0.000     62.82939    76.51044
       1925  |   69.73974   3.858816    18.07   0.000     62.05089     77.4286
       1926  |   70.78591   4.611022    15.35   0.000     61.59825    79.97357
       1927  |   81.67257   6.476394    12.61   0.000     68.76807    94.57706
       1928  |   80.09119   6.713216    11.93   0.000     66.71482    93.46757
       1929  |   101.0977   7.887799    12.82   0.000     85.38096    116.8145
       1930  |   98.08329   7.423846    13.21   0.000     83.29095    112.8756
       1931  |    110.194   7.962007    13.84   0.000     94.32933    126.0586
       1932  |   120.7348   6.841316    17.65   0.000     107.1032    134.3665
       1933  |   121.0073    7.70204    15.71   0.000     105.6607     136.354
       1934  |   136.0703   7.178131    18.96   0.000     121.7675     150.373
       1935  |   145.6797   8.188079    17.79   0.000     129.3646    161.9948
       1936  |   134.7622   9.631713    13.99   0.000     115.5706    153.9538
       1937  |    126.533    11.1582    11.34   0.000     104.2998    148.7662
       1938  |   90.93476   12.75707     7.13   0.000     65.51573    116.3538
       1939  |    72.1983   12.25229     5.89   0.000     47.78507    96.61153
       1940  |   16.02639   12.67074     1.26   0.210    -9.220607    41.27339
       1941  |  -18.36804   12.12403    -1.52   0.134    -42.52569     5.78962
             |
       regno |
          2  |  -43.54708   11.12286    -3.92   0.000    -65.70987   -21.38429
          3  |  -.3880093   7.720455    -0.05   0.960    -15.77135    14.99533
          5  |   2.833104   17.49197     0.16   0.872    -32.02041    37.68662
          6  |  -4.862052   12.12053    -0.40   0.689    -29.01273    19.28862
          7  |  -13.43129   26.59273    -0.51   0.615    -66.41846    39.55589
          8  |   -51.6271   7.403135    -6.97   0.000    -66.37817   -36.87603
          9  |  -32.91321   12.83011    -2.57   0.012    -58.47777   -7.348659
         10  |  -52.54904   17.57204    -2.99   0.004    -87.56208   -17.53599
         11  |  -17.62322   15.20221    -1.16   0.250    -47.91428    12.66785
         12  |  -27.59229   6.695424    -4.12   0.000    -40.93322   -14.25137
         13  |  -11.95323   7.335685    -1.63   0.107     -26.5699    2.663447
         14  |  -27.70271   14.00999    -1.98   0.052    -55.61823    .2128076
         15  |  -20.95563    14.3327    -1.46   0.148    -49.51417    7.602901
         16  |  -21.91675   29.63124    -0.74   0.462    -80.95829    37.12478
         17  |  -63.58655   19.04198    -3.34   0.001    -101.5285   -25.64457
         18  |  -42.55924   20.66829    -2.06   0.043     -83.7417   -1.376774
         19  |  -42.70752   17.76099    -2.40   0.019    -78.09707   -7.317977
         20  |  -35.96247   17.64166    -2.04   0.045    -71.11425   -.8106919
         21  |  -43.44929   12.84382    -3.38   0.001    -69.04116   -17.85742
         22  |  -48.84391   10.37077    -4.71   0.000    -69.50812    -28.1797
         23  |  -25.80106   7.253872    -3.56   0.001    -40.25471    -11.3474
         24  |   18.50721   21.36397     0.87   0.389    -24.06142    61.07585
         25  |  -3.849842   24.00063    -0.16   0.873    -51.67213    43.97245
         26  |   24.27026    21.0005     1.16   0.252    -17.57416    66.11467
         27  |  -21.01057   15.24791    -1.38   0.172    -51.39269    9.371547
         28  |  -33.54408   13.60074    -2.47   0.016    -60.64414   -6.444015
         29  |  -63.24436   23.02521    -2.75   0.008    -109.1231   -17.36564
         30  |  -58.68756   15.66879    -3.75   0.000     -89.9083   -27.46682
         31  |  -48.56306   21.39081    -2.27   0.026    -91.18517   -5.940938
         32  |  -31.02155   18.15825    -1.71   0.092    -67.20266    5.159565
         33  |  -41.78103   17.94428    -2.33   0.023    -77.53579   -6.026263
         34  |  -19.25826   26.65719    -0.72   0.472    -72.37387    33.85735
         35  |   14.79043   12.63099     1.17   0.245    -10.37736    39.95823
         36  |   -30.4371   4.251081    -7.16   0.000    -38.90756   -21.96663
         37  |  -62.41532   8.886684    -7.02   0.000    -80.12243   -44.70822
         38  |  -36.16393   15.72095    -2.30   0.024     -67.4886   -4.839259
         39  |   -50.6996   11.89515    -4.26   0.000     -74.4012     -26.998
         40  |  -54.48144   9.906207    -5.50   0.000    -74.21999   -34.74289
         41  |  -39.23429   12.93082    -3.03   0.003    -64.99952   -13.46906
         42  |  -57.74953   15.96792    -3.62   0.001     -89.5663   -25.93275
         43  |   58.85978   12.13891     4.85   0.000     34.67248    83.04708
         44  |  -3.738406   9.094224    -0.41   0.682    -21.85904    14.38223
         46  |  -4.512015   5.190327    -0.87   0.387    -14.85397    5.829937
         47  |  -10.76982   7.783609    -1.38   0.171    -26.27901    4.739356
         49  |  -90.77666   14.78729    -6.14   0.000     -120.241   -61.31234
         50  |  -89.62989   13.11344    -6.83   0.000     -115.759   -63.50078
         51  |  -73.03735   12.62762    -5.78   0.000    -98.19843   -47.87626
         52  |  -6.952316   13.41839    -0.52   0.606    -33.68904    19.78441
         53  |   .3914238   11.14358     0.04   0.972    -21.81264    22.59549
         54  |  -61.74385   16.49927    -3.74   0.000    -94.61935   -28.86834
         55  |   -27.8663   9.357762    -2.98   0.004    -46.51204   -9.220549
         56  |  -32.56017   11.85727    -2.75   0.008     -56.1863   -8.934038
         58  |  -44.55261   18.79791    -2.37   0.020    -82.00826   -7.096966
         59  |  -45.47872    17.0128    -2.67   0.009    -79.37746   -11.57998
         61  |  -67.39187   16.18786    -4.16   0.000    -99.64688   -35.13686
         62  |  -41.06354   16.08612    -2.55   0.013    -73.11584   -9.011241
         63  |  -46.12747   9.591536    -4.81   0.000    -65.23902   -27.01591
         64  |  -44.03745   10.03955    -4.39   0.000    -64.04168   -24.03322
         65  |  -39.74366   10.44885    -3.80   0.000    -60.56346   -18.92387
         66  |  -36.18021    15.7238    -2.30   0.024    -67.51056   -4.849848
         69  |  -37.08865   11.17524    -3.32   0.001     -59.3558    -14.8215
         70  |  -52.47762   23.63758    -2.22   0.029    -99.57653   -5.378705
         71  |  -43.21288   7.191588    -6.01   0.000    -57.54244   -28.88333
         72  |  -72.04987   11.71708    -6.15   0.000    -95.39667   -48.70308
         75  |  -58.43263    14.1884    -4.12   0.000    -86.70363   -30.16164
         77  |  -36.82631   5.523416    -6.67   0.000    -47.83195   -25.82066
         79  |    -55.779   19.75177    -2.82   0.006    -95.13527   -16.42274
         82  |  -72.63134   11.96989    -6.07   0.000    -96.48187   -48.78082
         83  |   -73.0113   17.03798    -4.29   0.000    -106.9602   -39.06239
         84  |  -74.77211   11.34782    -6.59   0.000    -97.38314   -52.16108
         85  |  -85.76895   16.69512    -5.14   0.000    -119.0347   -52.50319
         87  |  -192.6755   48.68347    -3.96   0.000    -289.6795   -95.67162
         88  |   -84.5491    18.5417    -4.56   0.000    -121.4942   -47.60397
         89  |   -31.7283   3.767708    -8.42   0.000    -39.23562   -24.22098
             |
regno#c.time |
          1  |  -1.787544   .4151862    -4.31   0.000    -2.614821   -.9602676
          2  |  -2.151553   .7725256    -2.79   0.007    -3.690844   -.6122624
          3  |  -3.496512   .9429941    -3.71   0.000    -5.375469   -1.617556
          5  |  -3.637418   .8232174    -4.42   0.000    -5.277714   -1.997121
          6  |  -1.636195   .5286344    -3.10   0.003    -2.689522   -.5828676
          7  |  -2.798595     .25513   -10.97   0.000    -3.306953   -2.290238
          8  |  -1.316447   .2401119    -5.48   0.000     -1.79488   -.8380136
          9  |   -2.66836   .5146607    -5.18   0.000    -3.693844   -1.642876
         10  |  -2.047597   .4432714    -4.62   0.000    -2.930835    -1.16436
         11  |  -1.763794   .3413765    -5.17   0.000    -2.444001   -1.083586
         12  |  -1.544328   .3246944    -4.76   0.000    -2.191295     -.89736
         13  |  -2.262024   .3524313    -6.42   0.000    -2.964259    -1.55979
         14  |  -1.975793   .4964036    -3.98   0.000    -2.964898   -.9866867
         15  |  -2.641871   .7425994    -3.56   0.001    -4.121532   -1.162209
         16  |  -2.300205   .2144985   -10.72   0.000    -2.727602   -1.872807
         17  |  -1.234665   .1529736    -8.07   0.000    -1.539471    -.929858
         18  |  -1.995627   .5272786    -3.78   0.000    -3.046253   -.9450016
         19  |  -2.235964   .6888911    -3.25   0.002    -3.608609   -.8633182
         20  |  -2.419567   .6461998    -3.74   0.000    -3.707148   -1.131986
         21  |  -2.165295   .6120187    -3.54   0.001    -3.384769   -.9458212
         22  |  -1.016405   .3148844    -3.23   0.002    -1.643826   -.3889838
         23  |  -2.513187   .4388138    -5.73   0.000    -3.387543   -1.638832
         24  |  -2.888564   .4696036    -6.15   0.000    -3.824269   -1.952858
         25  |  -2.638261   .4302542    -6.13   0.000    -3.495561   -1.780961
         26  |  -3.456107   .3217584   -10.74   0.000    -4.097225    -2.81499
         27  |  -2.634088   .7497923    -3.51   0.001    -4.128081   -1.140094
         28  |  -1.895853   .3985473    -4.76   0.000    -2.689976    -1.10173
         29  |  -.7163799   .4564818    -1.57   0.121     -1.62594    .1931799
         30  |  -.8780838   .4400916    -2.00   0.050    -1.754985   -.0011822
         31  |  -1.453836   .4884492    -2.98   0.004    -2.427092   -.4805796
         32  |  -1.855655   .5490263    -3.38   0.001    -2.949614   -.7616962
         33  |  -1.638885   .5105399    -3.21   0.002    -2.656158   -.6216124
         34  |  -.3992382   .2579242    -1.55   0.126    -.9131635     .114687
         35  |  -3.441809    .391427    -8.79   0.000    -4.221744   -2.661873
         36  |   -.586929    .288856    -2.03   0.046    -1.162487   -.0113709
         37  |   .4471621   .3840511     1.16   0.248    -.3180763    1.212401
         38  |  -1.537058   .4767765    -3.22   0.002    -2.487056   -.5870599
         39  |  -.3220544   .2265117    -1.42   0.159    -.7733889    .1292801
         40  |   -.797422   .4304256    -1.85   0.068    -1.655064    .0602198
         41  |  -1.203838   .3893101    -3.09   0.003    -1.979555   -.4281206
         42  |   .2379133   .1561221     1.52   0.132    -.0731668    .5489933
         43  |  -3.935903   .1206559   -32.62   0.000    -4.176315   -3.695491
         44  |  -1.492744    .462813    -3.23   0.002    -2.414919   -.5705691
         46  |  -3.359489   .1565685   -21.46   0.000    -3.671458   -3.047519
         47  |   .3118704   .3266733     0.95   0.343    -.3390404    .9627813
         49  |   .9078151   .2331305     3.89   0.000     .4432925    1.372338
         50  |   .8299096     .21117     3.93   0.000     .4091442    1.250675
         51  |   .2808647   .3613622     0.78   0.439    -.4391652    1.000895
         52  |  -1.724309    .345689    -4.99   0.000     -2.41311   -1.035509
         53  |   -1.40993   .4233835    -3.33   0.001     -2.25354   -.5663204
         54  |  -.0046553   .5048071    -0.01   0.993    -1.010505    1.001195
         55  |  -.8174353   .3712209    -2.20   0.031    -1.557109   -.0777614
         56  |  -1.159501    .491917    -2.36   0.021    -2.139667   -.1793346
         58  |  -.6857275   .3766648    -1.82   0.073    -1.436248    .0647935
         59  |   .1680042   .1870571     0.90   0.372    -.2047152    .5407236
         61  |   .8936351   .4786135     1.87   0.066    -.0600231    1.847293
         62  |   .1891602   .4409419     0.43   0.669    -.6894357    1.067756
         63  |  -.1134501   .3632628    -0.31   0.756    -.8372671    .6103668
         64  |   .1155952   .3344636     0.35   0.731     -.550838    .7820285
         65  |  -.6930961   .6346598    -1.09   0.278    -1.957683    .5714913
         66  |  -.6901831   .3630622    -1.90   0.061      -1.4136    .0332342
         69  |   1.098922   .1592975     6.90   0.000     .7815152     1.41633
         70  |   2.759015   .6049831     4.56   0.000     1.553559     3.96447
         71  |   .9822822   .2094102     4.69   0.000     .5650233    1.399541
         72  |    .041663   .4452362     0.09   0.926    -.8454896    .9288155
         75  |  -.3425792   .2562901    -1.34   0.185    -.8532484    .1680899
         77  |   .9762331   .0870625    11.21   0.000     .8027572    1.149709
         79  |  -.1023951   .3317598    -0.31   0.758     -.763441    .5586508
         82  |    1.49441    .073667    20.29   0.000     1.347626    1.641195
         83  |   1.812673   .2429649     7.46   0.000     1.328555    2.296791
         84  |   2.386148   .2070569    11.52   0.000     1.973578    2.798718
         85  |   2.539679   .2166896    11.72   0.000     2.107916    2.971443
         87  |   6.117414   1.202504     5.09   0.000     3.721372    8.513456
         88  |   2.495483   .2417651    10.32   0.000     2.013755     2.97721
         89  |          0  (omitted)
             |
       _cons |  -65.86625   86.50962    -0.76   0.449    -238.2404    106.5079
------------------------------------------------------------------------------

. *  Urban age 18-44;
. reg brateu sr10u lnpopmu i.yob i.regno, cluster(regno);

Linear regression                               Number of obs     =      2,025
                                                F(27, 74)         =          .
                                                Prob > F          =          .
                                                R-squared         =     0.9526
                                                Root MSE          =     12.817

                                 (Std. Err. adjusted for 75 clusters in regno)
------------------------------------------------------------------------------
             |               Robust
      brateu |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       sr10u |   5.329426    8.58006     0.62   0.536    -11.76672    22.42557
     lnpopmu |   6.786787   9.642205     0.70   0.484    -12.42573     25.9993
             |
         yob |
       1916  |   3.941279   1.804529     2.18   0.032     .3456762    7.536882
       1917  |   9.381979    3.06444     3.06   0.003     3.275948    15.48801
       1918  |   13.63763   4.571328     2.98   0.004     4.529061     22.7462
       1919  |   17.86372   .9829663    18.17   0.000     15.90511    19.82232
       1920  |   23.88778    3.23642     7.38   0.000     17.43907    30.33649
       1921  |   31.11828   2.296533    13.55   0.000     26.54234    35.69423
       1922  |   37.84618   2.972127    12.73   0.000     31.92409    43.76827
       1923  |   40.84573   1.518949    26.89   0.000     37.81916     43.8723
       1924  |   50.66551   1.873382    27.04   0.000     46.93271     54.3983
       1925  |   55.98421    2.70811    20.67   0.000     50.58818    61.38024
       1926  |    59.8086   3.962109    15.10   0.000     51.91392    67.70327
       1927  |   74.12429   6.449283    11.49   0.000     61.27381    86.97477
       1928  |   79.01209   6.540088    12.08   0.000     65.98068    92.04351
       1929  |   97.20715   7.704582    12.62   0.000     81.85544    112.5589
       1930  |   102.8694    6.32843    16.26   0.000     90.25968     115.479
       1931  |   114.3677   6.896934    16.58   0.000     100.6253    128.1101
       1932  |   129.2392   5.381253    24.02   0.000     118.5169    139.9616
       1933  |   133.2464   5.267208    25.30   0.000     122.7513    143.7415
       1934  |   150.7729   4.589156    32.85   0.000     141.6288     159.917
       1935  |   166.0068   4.962379    33.45   0.000      156.119    175.8945
       1936  |   158.5377   6.650595    23.84   0.000      145.286    171.7893
       1937  |    151.303   7.679459    19.70   0.000     136.0013    166.6046
       1938  |   115.6271   9.105409    12.70   0.000     97.48414      133.77
       1939  |   95.61958   9.182911    10.41   0.000     77.32223    113.9169
       1940  |   45.50701   8.891738     5.12   0.000     27.78983    63.22418
       1941  |   15.34514     7.3955     2.07   0.041     .6092882      30.081
             |
       regno |
          2  |   10.53944   6.442724     1.64   0.106    -2.297964    23.37685
          3  |  -2.999894   5.454224    -0.55   0.584    -13.86767    7.867885
          5  |   -10.9032   .8656013   -12.60   0.000    -12.62795   -9.178455
          6  |  -10.30732     3.3298    -3.10   0.003     -16.9421   -3.672551
          7  |  -57.34937   20.32001    -2.82   0.006    -97.83788   -16.86086
          8  |  -23.47029   4.053874    -5.79   0.000    -31.54781   -15.39277
          9  |  -18.82064   3.523064    -5.34   0.000     -25.8405   -11.80078
         10  |  -17.44366   4.715872    -3.70   0.000    -26.84024   -8.047077
         11  |   -8.36334   2.248078    -3.72   0.000    -12.84273   -3.883946
         12  |  -19.48048   6.165943    -3.16   0.002    -31.76639   -7.194574
         13  |  -26.99694   6.631329    -4.07   0.000    -40.21015   -13.78372
         14  |  -10.25617    1.24338    -8.25   0.000    -12.73366   -7.778684
         15  |  -14.74383   1.310978   -11.25   0.000    -17.35601   -12.13165
         16  |  -54.73859   24.20276    -2.26   0.027    -102.9636   -6.513542
         17  |  -39.41421   20.78532    -1.90   0.062    -80.82987    2.001452
         18  |  -18.58761    5.48649    -3.39   0.001    -29.51968   -7.655542
         19  |  -18.71797   1.141103   -16.40   0.000    -20.99167   -16.44427
         20  |  -17.64739   .9234662   -19.11   0.000    -19.48743   -15.80734
         21  |  -27.51985   6.228136    -4.42   0.000    -39.92968   -15.11002
         22  |  -20.89569   10.53346    -1.98   0.051    -41.88407    .0926953
         23  |  -30.46802   6.632993    -4.59   0.000    -43.68455   -17.25149
         24  |   4.033663   8.234402     0.49   0.626    -12.37374    20.44107
         25  |  -3.188308    7.68624    -0.41   0.679    -18.50348    12.12686
         26  |  -.2317782   4.244457    -0.05   0.957    -8.689044    8.225487
         27  |  -14.45579   5.432462    -2.66   0.010    -25.28021   -3.631372
         28  |  -26.79129   14.86393    -1.80   0.076    -56.40832    2.825741
         29  |  -10.78869   4.639216    -2.33   0.023    -20.03253   -1.544848
         30  |  -28.01576   6.715631    -4.17   0.000    -41.39694   -14.63457
         31  |  -18.97084   2.631003    -7.21   0.000    -24.21323   -13.72846
         32  |  -12.61346   1.465222    -8.61   0.000    -15.53297   -9.693938
         33  |  -13.81849    .488125   -28.31   0.000     -14.7911   -12.84588
         34  |    68.7785   23.89276     2.88   0.005     21.17114    116.3859
         35  |  -13.21738   10.17065    -1.30   0.198    -33.48285    7.048083
         36  |  -10.45346   1.679763    -6.22   0.000    -13.80046   -7.106462
         37  |  -19.30252   8.794844    -2.19   0.031    -36.82662   -1.778407
         38  |   -16.2834   1.978212    -8.23   0.000    -20.22507   -12.34173
         39  |  -26.88718   12.15121    -2.21   0.030    -51.09898   -2.675369
         40  |  -29.36531   10.03473    -2.93   0.005    -49.35995   -9.370674
         41  |  -11.47285   .5307343   -21.62   0.000    -12.53036   -10.41533
         42  |  -7.020071   15.27218    -0.46   0.647    -37.45055     23.4104
         43  |   34.31464   2.891703    11.87   0.000      28.5528    40.07649
         44  |   2.405658   9.011217     0.27   0.790    -15.54958     20.3609
         46  |   -15.4186   5.679266    -2.71   0.008    -26.73479   -4.102415
         47  |  -3.058622   3.939333    -0.78   0.440    -10.90791    4.790671
         49  |  -27.64641   11.71027    -2.36   0.021    -50.97963   -4.313191
         50  |   -23.7258   3.274269    -7.25   0.000    -30.24992   -17.20167
         51  |  -30.19543   15.01058    -2.01   0.048    -60.10467   -.2861959
         52  |  -5.224059   11.14157    -0.47   0.641    -27.42412    16.97601
         53  |  -.4248109   3.106772    -0.14   0.892    -6.615189    5.765567
         54  |  -20.36013   2.091134    -9.74   0.000    -24.52681   -16.19345
         55  |   -8.19765    6.64099    -1.23   0.221    -21.43011    5.034811
         56  |  -15.47672     14.483    -1.07   0.289    -44.33473    13.38129
         58  |  -25.12563   19.80916    -1.27   0.209    -64.59625    14.34499
         59  |  -20.02468   16.82406    -1.19   0.238    -53.54735    13.49799
         61  |  -13.74089   8.088755    -1.70   0.094    -29.85808    2.376309
         62  |  -3.758803   16.65446    -0.23   0.822    -36.94353    29.42592
         63  |  -25.00452   11.51711    -2.17   0.033    -47.95286   -2.056173
         64  |  -15.93471   6.086865    -2.62   0.011    -28.06306   -3.806368
         65  |  -13.26186   .7731264   -17.15   0.000    -14.80235   -11.72138
         66  |  -6.809425   1.646465    -4.14   0.000    -10.09008   -3.528772
         69  |   6.576003   3.990659     1.65   0.104    -1.375559    14.52756
         70  |   16.30673   19.44058     0.84   0.404    -22.42946    55.04292
         71  |   7.252113   5.733065     1.26   0.210     -4.17127     18.6755
         72  |  -17.24942   12.85758    -1.34   0.184    -42.86871    8.369862
         75  |  -9.969433   12.19272    -0.82   0.416    -34.26396     14.3251
         77  |   6.679922   2.864906     2.33   0.022     .9714725    12.38837
         79  |   8.492229   4.648078     1.83   0.072    -.7692694    17.75373
         82  |  -13.25563   8.588222    -1.54   0.127    -30.36804    3.856772
         83  |    -12.007   7.461796    -1.61   0.112    -26.87495    2.860956
         84  |  -3.534784   .8860441    -3.99   0.000    -5.300265   -1.769303
         85  |   9.131085   8.517073     1.07   0.287    -7.839555    26.10172
         87  |   1.501786   6.379493     0.24   0.815    -11.20963     14.2132
         88  |   1.241206   3.430745     0.36   0.719    -5.594702    8.077115
         89  |  -20.17544   .4872026   -41.41   0.000    -21.14621   -19.20466
             |
       _cons |  -41.54799     73.248    -0.57   0.572    -187.4978    104.4018
------------------------------------------------------------------------------

. reg brateu sr10u lnpopmu i.yob i.regno [aweight=popfu], cluster(regno);
(sum of wgt is   1.5724e+07)

Linear regression                               Number of obs     =      2,025
                                                F(27, 74)         =          .
                                                Prob > F          =          .
                                                R-squared         =     0.9609
                                                Root MSE          =     10.663

                                 (Std. Err. adjusted for 75 clusters in regno)
------------------------------------------------------------------------------
             |               Robust
      brateu |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       sr10u |   11.79609   19.73981     0.60   0.552    -27.53633    51.12851
     lnpopmu |    26.2719   6.091635     4.31   0.000     14.13406    38.40975
             |
         yob |
       1916  |   6.814529   1.159392     5.88   0.000     4.504389    9.124669
       1917  |   13.97881   2.014115     6.94   0.000       9.9656    17.99202
       1918  |   21.21418   2.970365     7.14   0.000      15.2956    27.13277
       1919  |   16.41221   .7860092    20.88   0.000     14.84606    17.97837
       1920  |     26.813   2.019804    13.28   0.000     22.78845    30.83754
       1921  |   30.53273   1.519693    20.09   0.000     27.50467    33.56078
       1922  |   37.52958    1.82366    20.58   0.000     33.89585     41.1633
       1923  |   39.92887   1.514228    26.37   0.000     36.91171    42.94604
       1924  |   44.35572   1.689033    26.26   0.000     40.99025    47.72119
       1925  |    45.8891   2.202881    20.83   0.000     41.49977    50.27844
       1926  |   46.70068   2.995236    15.59   0.000     40.73254    52.66882
       1927  |   54.24146   4.684543    11.58   0.000      44.9073    63.57561
       1928  |   58.28539   5.129102    11.36   0.000     48.06543    68.50535
       1929  |   73.20813   5.930839    12.34   0.000     61.39068    85.02558
       1930  |   80.69268   5.354661    15.07   0.000     70.02329    91.36208
       1931  |   92.01028    5.77663    15.93   0.000      80.5001    103.5205
       1932  |   106.9065   5.319315    20.10   0.000     96.30752    117.5054
       1933  |   113.3563     5.5007    20.61   0.000     102.3959    124.3167
       1934  |    131.466   5.217182    25.20   0.000     121.0705    141.8614
       1935  |   145.8485   6.139212    23.76   0.000     133.6158    158.0811
       1936  |   135.4279   6.879606    19.69   0.000       121.72    149.1358
       1937  |   127.3803   7.797741    16.34   0.000      111.843    142.9177
       1938  |   89.58494   8.702382    10.29   0.000     72.24507    106.9248
       1939  |   71.17564   8.168014     8.71   0.000     54.90052    87.45076
       1940  |     24.479   7.272892     3.37   0.001     9.987444    38.97055
       1941  |  -2.147918   6.575449    -0.33   0.745    -15.24979    10.95395
             |
       regno |
          2  |  -1.511381   8.685637    -0.17   0.862    -18.81789    15.79513
          3  |  -15.52302   3.636767    -4.27   0.000    -22.76944   -8.276605
          5  |  -14.53182   .6548133   -22.19   0.000    -15.83657   -13.22708
          6  |  -18.46018   2.420954    -7.63   0.000    -23.28403   -13.63632
          7  |  -99.89286   12.87547    -7.76   0.000    -125.5478   -74.23794
          8  |  -32.30293   2.528725   -12.77   0.000    -37.34152   -27.26433
          9  |  -13.07901   2.343568    -5.58   0.000    -17.74867   -8.409349
         10  |  -8.692435   3.097646    -2.81   0.006    -14.86463   -2.520242
         11  |  -13.81801   1.289113   -10.72   0.000    -16.38663    -11.2494
         12  |  -33.26214   3.805649    -8.74   0.000    -40.84506   -25.67922
         13  |  -41.90685   4.456996    -9.40   0.000    -50.78761    -33.0261
         14  |  -8.893837   1.238303    -7.18   0.000    -11.36121   -6.426464
         15  |  -13.77817   .9403463   -14.65   0.000    -15.65185   -11.90449
         16  |  -104.9913    15.2584    -6.88   0.000    -135.3943   -74.58825
         17  |   -82.4256   13.08149    -6.30   0.000     -108.491   -56.36015
         18  |   -9.17379   3.849835    -2.38   0.020    -16.84475   -1.502827
         19  |  -23.39611   1.014599   -23.06   0.000    -25.41774   -21.37448
         20  |  -16.29446   .7261544   -22.44   0.000    -17.74135   -14.84756
         21  |  -41.29451   3.920335   -10.53   0.000    -49.10594   -33.48307
         22  |  -43.43541   6.469448    -6.71   0.000    -56.32607   -30.54475
         23  |  -45.71293   4.061066   -11.26   0.000    -53.80478   -37.62108
         24  |   19.92276   5.220337     3.82   0.000     9.521015    30.32451
         25  |    10.6216   5.057535     2.10   0.039     .5442391    20.69896
         26  |   6.751282   2.851924     2.37   0.021     1.068699    12.43386
         27  |  -26.65447   3.303245    -8.07   0.000    -33.23633   -20.07261
         28  |  -58.07281   9.148155    -6.35   0.000    -76.30091   -39.84471
         29  |  -3.351253   3.773332    -0.89   0.377    -10.86978    4.167274
         30  |  -43.10625   4.066248   -10.60   0.000    -51.20843   -35.00408
         31  |  -15.82342   1.924247    -8.22   0.000    -19.65756   -11.98927
         32  |  -11.92002   1.848549    -6.45   0.000    -15.60334   -8.236709
         33  |  -15.09588   .8759668   -17.23   0.000    -16.84128   -13.35047
         34  |   119.2092   15.35368     7.76   0.000     88.61635    149.8021
         35  |  -35.96238   6.275348    -5.73   0.000    -48.46628   -23.45847
         36  |  -9.509829   1.899049    -5.01   0.000    -13.29377   -5.725891
         37  |  -37.46977   5.395397    -6.94   0.000    -48.22033    -26.7192
         38  |  -22.11803   1.167994   -18.94   0.000    -24.44531   -19.79075
         39  |  -52.47117   7.490534    -7.00   0.000    -67.39639   -37.54596
         40  |  -51.09909   6.201779    -8.24   0.000    -63.45641   -38.74178
         41  |  -11.03517   .7487074   -14.74   0.000      -12.527   -9.543334
         42  |   22.81776    9.62669     2.37   0.020     3.636166    41.99936
         43  |   36.62152   2.753809    13.30   0.000     31.13444    42.10861
         44  |   18.57284   5.986667     3.10   0.003     6.644141    30.50153
         46  |   -7.33346   3.632884    -2.02   0.047    -14.57214   -.0947811
         47  |   4.739193   2.690239     1.76   0.082    -.6212252    10.09961
         49  |  -51.60179   7.296646    -7.07   0.000    -66.14068   -37.06291
         50  |  -30.59421   2.102913   -14.55   0.000    -34.78436   -26.40407
         51  |  -60.65824   9.293461    -6.53   0.000    -79.17586   -42.14061
         52  |  -28.35862    6.91497    -4.10   0.000      -42.137   -14.58024
         53  |  -7.668655   1.820528    -4.21   0.000    -11.29614   -4.041174
         54  |  -17.63981   1.861078    -9.48   0.000    -21.34809   -13.93153
         55  |  -22.40191   4.114022    -5.45   0.000    -30.59927   -14.20454
         56  |  -46.02169   8.920137    -5.16   0.000    -63.79545   -28.24793
         58  |    -65.984   12.26117    -5.38   0.000    -90.41491   -41.55309
         59  |  -54.70787   10.43903    -5.24   0.000    -75.50809   -33.90764
         61  |  -31.28859   5.044626    -6.20   0.000    -41.34023   -21.23696
         62  |  -37.10565   10.35223    -3.58   0.001    -57.73293   -16.47837
         63  |   -49.6179   7.070904    -7.02   0.000    -63.70699   -35.52882
         64  |  -29.41982   3.752302    -7.84   0.000    -36.89645    -21.9432
         65  |  -16.60761   1.696113    -9.79   0.000    -19.98719   -13.22803
         66  |  -3.834631   1.410546    -2.72   0.008    -6.645205   -1.024057
         69  |   14.19425   2.887299     4.92   0.000     8.441183    19.94732
         70  |   54.03575   12.94382     4.17   0.000     28.24462    79.82688
         71  |   19.08059   4.271708     4.47   0.000     10.56903    27.59216
         72  |   -45.2556   8.330728    -5.43   0.000    -61.85493   -28.65626
         75  |  -36.51234   7.964475    -4.58   0.000     -52.3819   -20.64277
         77  |   1.727054   1.862306     0.93   0.357    -1.983672     5.43778
         79  |   11.97687   8.680924     1.38   0.172    -5.320247    29.27399
         82  |  -30.34839   5.323734    -5.70   0.000    -40.95616   -19.74062
         83  |  -26.80975   4.547949    -5.89   0.000    -35.87173   -17.74776
         84  |  -2.968981   1.599377    -1.86   0.067    -6.155809    .2178464
         85  |   24.31162   6.820975     3.56   0.001     10.72053    37.90271
         87  |  -3.087445   11.95307    -0.26   0.797    -26.90446    20.72957
         88  |  -6.595832   3.529745    -1.87   0.066      -13.629    .4373371
         89  |  -21.74243   1.722094   -12.63   0.000    -25.17378   -18.31108
             |
       _cons |  -188.3707   45.22117    -4.17   0.000    -278.4759   -98.26557
------------------------------------------------------------------------------

. reg brateu sr10u lnpopmu i.yob i.regno i.regno#c.time, cluster(regno);
note: 89.regno#c.time omitted because of collinearity

Linear regression                               Number of obs     =      2,025
                                                F(26, 74)         =          .
                                                Prob > F          =          .
                                                R-squared         =     0.9685
                                                Root MSE          =      10.66

                                 (Std. Err. adjusted for 75 clusters in regno)
------------------------------------------------------------------------------
             |               Robust
      brateu |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       sr10u |   96.98849   13.95921     6.95   0.000     69.17416    124.8028
     lnpopmu |   5.097153   4.536628     1.12   0.265    -3.942276    14.13658
             |
         yob |
       1916  |   3.540019   .7716459     4.59   0.000     2.002481    5.077557
       1917  |   9.117796   1.306452     6.98   0.000     6.514634    11.72096
       1918  |   13.51426   1.930901     7.00   0.000     9.666851    17.36166
       1919  |   19.15598   .8444027    22.69   0.000     17.47347    20.83849
       1920  |   25.19186   1.254276    20.08   0.000     22.69266    27.69105
       1921  |   33.83084   1.334034    25.36   0.000     31.17272    36.48896
       1922  |   41.42724     1.6127    25.69   0.000     38.21386    44.64061
       1923  |   45.43752   1.472863    30.85   0.000     42.50278    48.37226
       1924  |    55.3571   2.220091    24.93   0.000     50.93347    59.78073
       1925  |   59.60079    2.76915    21.52   0.000     54.08314    65.11844
       1926  |   61.35548   3.360262    18.26   0.000     54.66002    68.05095
       1927  |   74.14223   4.560721    16.26   0.000     65.05479    83.22966
       1928  |   77.33284   4.249401    18.20   0.000     68.86572    85.79996
       1929  |   94.27057   4.818622    19.56   0.000     84.66926    103.8719
       1930  |   98.09967   4.345562    22.57   0.000     89.44095    106.7584
       1931  |   108.5125   4.649114    23.34   0.000     99.24895    117.7761
       1932  |   121.7375   4.355968    27.95   0.000     113.0581     130.417
       1933  |   124.4255   3.918918    31.75   0.000     116.6169    132.2341
       1934  |   139.8541   4.088306    34.21   0.000      131.708    148.0003
       1935  |   153.4691   3.716421    41.29   0.000      146.064    160.8742
       1936  |   144.8953   4.496466    32.22   0.000     135.9359    153.8547
       1937  |    137.212   4.695447    29.22   0.000     127.8561    146.5678
       1938  |   101.3674   4.993842    20.30   0.000     91.41694    111.3178
       1939  |   82.06061   5.358753    15.31   0.000     71.38306    92.73816
       1940  |   32.00234   4.959475     6.45   0.000     22.12037    41.88431
       1941  |   2.196898   4.611735     0.48   0.635    -6.992186    11.38598
             |
       regno |
          2  |  -51.27552   6.515596    -7.87   0.000    -64.25813   -38.29291
          3  |   .6019841   2.569306     0.23   0.815    -4.517469    5.721438
          5  |   1.883343   1.132957     1.66   0.101    -.3741234     4.14081
          6  |  -15.58829   .7880042   -19.78   0.000    -17.15843   -14.01816
          7  |  -26.96785    11.2311    -2.40   0.019    -49.34632   -4.589387
          8  |  -21.32247   3.203013    -6.66   0.000    -27.70461   -14.94033
          9  |  -14.97518   .4081553   -36.69   0.000    -15.78845   -14.16191
         10  |  -16.86333     1.1859   -14.22   0.000    -19.22628   -14.50037
         11  |  -9.048602   2.162427    -4.18   0.000    -13.35733   -4.739872
         12  |  -12.07785   3.699475    -3.26   0.002    -19.44921   -4.706481
         13  |  -5.566179    4.40599    -1.26   0.210     -14.3453    3.212947
         14  |  -12.85898    .768763   -16.73   0.000    -14.39077   -11.32718
         15  |  -5.451036   .1347043   -40.47   0.000     -5.71944   -5.182632
         16  |   -30.9067   12.84134    -2.41   0.019    -56.49362   -5.319774
         17  |  -30.16228   10.90257    -2.77   0.007    -51.88614   -8.438429
         18  |  -16.10349   2.336106    -6.89   0.000    -20.75828    -11.4487
         19  |  -16.38141   1.373138   -11.93   0.000    -19.11745   -13.64538
         20  |  -12.39831   1.038006   -11.94   0.000    -14.46658   -10.33004
         21  |  -14.38049   4.103896    -3.50   0.001    -22.55769   -6.203302
         22  |  -28.94664   6.032854    -4.80   0.000    -40.96736   -16.92591
         23  |  -16.41585   4.247564    -3.86   0.000    -24.87931   -7.952396
         24  |    8.38153   3.358987     2.50   0.015     1.688602    15.07446
         25  |   .7482563    3.02168     0.25   0.805    -5.272572    6.769085
         26  |   4.193244   1.744961     2.40   0.019      .716333    7.670156
         27  |  -9.515772   3.187031    -2.99   0.004    -15.86607   -3.165473
         28  |   -23.2711    7.80977    -2.98   0.004     -38.8324   -7.709791
         29  |  -16.73515   2.191535    -7.64   0.000    -21.10188   -12.36842
         30  |  -23.48561   4.324072    -5.43   0.000    -32.10152   -14.86971
         31  |  -16.22603   1.264736   -12.83   0.000    -18.74607   -13.70599
         32  |  -11.86291   1.072464   -11.06   0.000    -13.99984   -9.725981
         33  |  -11.32168   1.424531    -7.95   0.000    -14.16012   -8.483237
         34  |   30.46527   11.54057     2.64   0.010     7.470186    53.46034
         35  |  -5.284319   5.224492    -1.01   0.315    -15.69435    5.125708
         36  |  -17.30648   .5981348   -28.93   0.000    -18.49829   -16.11467
         37  |   -31.0943   4.811862    -6.46   0.000    -40.68215   -21.50646
         38  |  -13.74653   1.818058    -7.56   0.000    -17.36909   -10.12397
         39  |  -35.89439   6.575321    -5.46   0.000      -48.996   -22.79277
         40  |  -27.37009    5.57098    -4.91   0.000    -38.47051   -16.26966
         41  |  -18.86611   1.186707   -15.90   0.000    -21.23068   -16.50154
         42  |  -25.56204   5.872763    -4.35   0.000    -37.26378    -13.8603
         43  |   27.18019   1.557608    17.45   0.000     24.07659    30.28379
         44  |  -15.20597   3.633291    -4.19   0.000    -22.44546   -7.966483
         46  |  -.8268325   2.152599    -0.38   0.702    -5.115979    3.462314
         47  |  -16.05278   1.501653   -10.69   0.000    -19.04489   -13.06067
         49  |  -41.05872   7.288099    -5.63   0.000    -55.58057   -26.53686
         50  |  -39.82498   3.526464   -11.29   0.000    -46.85161   -32.79835
         51  |  -37.61696   7.464678    -5.04   0.000    -52.49066   -22.74327
         52  |  -12.26664   5.305311    -2.31   0.024     -22.8377   -1.695573
         53  |  -2.001703    2.02795    -0.99   0.327    -6.042482    2.039076
         54  |  -22.81237   1.200777   -19.00   0.000    -25.20497   -20.41977
         55  |  -14.13243   3.397488    -4.16   0.000    -20.90207   -7.362788
         56  |  -20.07135   7.073441    -2.84   0.006    -34.16549   -5.977208
         58  |  -30.44833   9.602651    -3.17   0.002    -49.58202   -11.31463
         59  |  -31.08812   7.952072    -3.91   0.000    -46.93296   -15.24327
         61  |  -22.16965   3.988723    -5.56   0.000    -30.11736   -14.22195
         62  |  -27.45493   7.760652    -3.54   0.001    -42.91837   -11.99149
         63  |  -26.67975   5.690566    -4.69   0.000    -38.01845   -15.34105
         64  |   -23.0771   3.262733    -7.07   0.000    -29.57824   -16.57596
         65  |  -8.273151    1.08738    -7.61   0.000     -10.4398   -6.106498
         66  |  -13.17312   1.039074   -12.68   0.000    -15.24352   -11.10272
         69  |  -15.37021   2.912784    -5.28   0.000    -21.17405   -9.566357
         70  |  -19.75651   9.671833    -2.04   0.045    -39.02806   -.4849622
         71  |  -20.45324   2.916852    -7.01   0.000     -26.2652   -14.64129
         72  |  -34.05831   5.989606    -5.69   0.000    -45.99286   -22.12376
         75  |  -32.26592   6.264974    -5.15   0.000    -44.74915   -19.78268
         77  |  -20.59231   2.373115    -8.68   0.000    -25.32084   -15.86377
         79  |  -52.63978    7.81786    -6.73   0.000     -68.2172   -37.06235
         82  |  -41.62981   4.707949    -8.84   0.000     -51.0106   -32.24902
         83  |  -44.01208   5.176718    -8.50   0.000    -54.32692   -33.69725
         84  |   -43.0459   3.673694   -11.72   0.000     -50.3659   -35.72591
         85  |  -46.62205   6.588068    -7.08   0.000    -59.74906   -33.49504
         87  |  -130.8699   15.16965    -8.63   0.000    -161.0961   -100.6437
         88  |  -47.41265   4.675585   -10.14   0.000    -56.72896   -38.09634
         89  |  -23.80902   .6983812   -34.09   0.000    -25.20057   -22.41746
             |
regno#c.time |
          1  |  -.6816901   .1138302    -5.99   0.000    -.9085017   -.4548784
          2  |   .8971838   .1101415     8.15   0.000      .677722    1.116645
          3  |  -1.516628   .2230318    -6.80   0.000    -1.961028   -1.072227
          5  |  -1.832216   .1791988   -10.22   0.000    -2.189277   -1.475154
          6  |  -.7009116   .1574482    -4.45   0.000    -1.014634   -.3871892
          7  |  -2.501188   .1694818   -14.76   0.000    -2.838888   -2.163488
          8  |  -.7379633    .135858    -5.43   0.000    -1.008666   -.4672603
          9  |  -1.093255   .1656749    -6.60   0.000    -1.423369   -.7631405
         10  |  -.5793282   .1288488    -4.50   0.000    -.8360649   -.3225914
         11  |  -.6605231   .1017709    -6.49   0.000    -.8633061   -.4577401
         12  |  -1.144541   .1009262   -11.34   0.000    -1.345641   -.9434412
         13  |  -1.797294    .135808   -13.23   0.000    -2.067897   -1.526691
         14  |  -.7948301   .1333769    -5.96   0.000    -1.060589   -.5290708
         15  |  -1.373289   .1270481   -10.81   0.000    -1.626438    -1.12014
         16  |   -2.14192   .1534012   -13.96   0.000    -2.447578   -1.836261
         17  |  -1.057124   .1166571    -9.06   0.000    -1.289568   -.8246795
         18  |  -1.343459   .1102753   -12.18   0.000    -1.563188   -1.123731
         19  |  -1.220519   .1185641   -10.29   0.000    -1.456764   -.9842754
         20  |   -1.14637   .1503432    -7.63   0.000    -1.445935   -.8468043
         21  |  -1.480662   .1437788   -10.30   0.000    -1.767148   -1.194177
         22  |  -.3913978    .126299    -3.10   0.003    -.6430541   -.1397415
         23  |  -1.776106   .1635679   -10.86   0.000    -2.102022    -1.45019
         24  |  -.9930268   .0967369   -10.27   0.000    -1.185779   -.8002743
         25  |  -1.256208   .1033489   -12.16   0.000    -1.462135   -1.050281
         26  |  -1.178258   .0848603   -13.88   0.000    -1.347345    -1.00917
         27  |  -1.296575   .1649301    -7.86   0.000    -1.625206    -.967945
         28  |  -1.102134   .1338391    -8.23   0.000    -1.368815   -.8354543
         29  |  -1.005194   .1400377    -7.18   0.000    -1.284225   -.7261628
         30  |  -1.180336   .1095091   -10.78   0.000    -1.398538   -.9621346
         31  |  -1.158956   .1186498    -9.77   0.000    -1.395371   -.9225409
         32  |  -1.290774   .1317924    -9.79   0.000    -1.553376   -1.028172
         33  |  -1.208947   .1537085    -7.87   0.000    -1.515218   -.9026761
         34  |   1.467149   .1161457    12.63   0.000     1.235723    1.698574
         35  |  -1.362247   .0849209   -16.04   0.000    -1.531456   -1.193039
         36  |  -.6963298   .1766477    -3.94   0.000    -1.048308   -.3443515
         37  |  -.0677979   .0888672    -0.76   0.448    -.2448697    .1092739
         38  |  -1.098247   .1112129    -9.88   0.000    -1.319844   -.8766508
         39  |  -.3446762   .0931409    -3.70   0.000    -.5302635   -.1590888
         40  |  -1.105908   .1294232    -8.54   0.000    -1.363789   -.8480265
         41  |  -.3614021   .1220096    -2.96   0.004    -.6045115   -.1182928
         42  |   .5196856   .1339681     3.88   0.000     .2527483     .786623
         43  |  -.8029301   .1424424    -5.64   0.000    -1.086753   -.5191074
         44  |   .2136451   .1147556     1.86   0.067    -.0150105    .4423007
         46  |  -1.882514   .0964842   -19.51   0.000    -2.074762   -1.690265
         47  |   .0888304   .1070642     0.83   0.409    -.1244997    .3021605
         49  |   .2718026   .1532287     1.77   0.080    -.0335123    .5771174
         50  |   .1766909   .1585332     1.11   0.269    -.1391935    .4925752
         51  |  -.4220235    .120046    -3.52   0.001    -.6612203   -.1828266
         52  |  -.4424725   .0741038    -5.97   0.000    -.5901275   -.2948176
         53  |  -.6747008   .0881304    -7.66   0.000    -.8503046   -.4990971
         54  |  -.9352522   .1142699    -8.18   0.000     -1.16294   -.7075645
         55  |  -.5170943   .1083369    -4.77   0.000    -.7329603   -.3012284
         56  |    -.78618   .1242074    -6.33   0.000    -1.033669   -.5386915
         58  |  -.5153171   .1122881    -4.59   0.000    -.7390561   -.2915782
         59  |  -.2115004   .0903879    -2.34   0.022    -.3916023   -.0313986
         61  |  -.4415355    .111465    -3.96   0.000    -.6636344   -.2194367
         62  |   .4242468   .1497075     2.83   0.006     .1259481    .7225456
         63  |  -.8255553   .1016874    -8.12   0.000    -1.028172   -.6229387
         64  |  -.6162497   .0805209    -7.65   0.000    -.7766911   -.4558083
         65  |  -1.648532    .120743   -13.65   0.000    -1.889118   -1.407947
         66  |  -.4854464     .10228    -4.75   0.000    -.6892438   -.2816491
         69  |   .5382325   .0454709    11.84   0.000     .4476297    .6288354
         70  |    .952229   .0530431    17.95   0.000     .8465383     1.05792
         71  |   .7533712   .1036217     7.27   0.000     .5469005     .959842
         72  |  -.6314871   .1275082    -4.95   0.000    -.8855526   -.3774215
         75  |  -.3823848   .0970688    -3.94   0.000    -.5757986    -.188971
         77  |   .9579363   .0554467    17.28   0.000     .8474562    1.068416
         79  |   .9645874   .1179925     8.17   0.000     .7294822    1.199692
         82  |   .7541053   .0575953    13.09   0.000     .6393441    .8688664
         83  |   1.077809   .0848999    12.70   0.000     .9086421    1.246976
         84  |    1.63645   .0926302    17.67   0.000     1.451881     1.82102
         85  |   2.038649   .0447743    45.53   0.000     1.949434    2.127863
         87  |   4.833039   .3960282    12.20   0.000     4.043936    5.622143
         88  |   1.718978   .0941773    18.25   0.000     1.531325     1.90663
         89  |          0  (omitted)
             |
       _cons |   -82.3648   32.03038    -2.57   0.012    -146.1867   -18.54288
------------------------------------------------------------------------------

. reg brateu sr10u lnpopmu i.yob i.regno i.regno#c.time [aweight=popfu], cluster(regno);
(sum of wgt is   1.5724e+07)
note: 89.regno#c.time omitted because of collinearity

Linear regression                               Number of obs     =      2,025
                                                F(27, 74)         =          .
                                                Prob > F          =          .
                                                R-squared         =     0.9770
                                                Root MSE          =     8.3357

                                 (Std. Err. adjusted for 75 clusters in regno)
------------------------------------------------------------------------------
             |               Robust
      brateu |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       sr10u |   93.38424   16.72289     5.58   0.000     60.06316    126.7053
     lnpopmu |   7.788247   5.957043     1.31   0.195    -4.081419    19.65791
             |
         yob |
       1916  |   3.724699   .9999315     3.72   0.000     1.732292    5.717106
       1917  |   8.919219    1.74868     5.10   0.000     5.434899    12.40354
       1918  |   13.88946   2.641218     5.26   0.000     8.626718     19.1522
       1919  |     17.595   .6451344    27.27   0.000     16.30954    18.88046
       1920  |    23.4717    1.78562    13.14   0.000     19.91378    27.02963
       1921  |   31.01292   1.296041    23.93   0.000      28.4305    33.59534
       1922  |   38.00649   1.468278    25.89   0.000     35.08088     40.9321
       1923  |   43.83361   1.180621    37.13   0.000     41.48117    46.18605
       1924  |   51.87618   1.793909    28.92   0.000     48.30173    55.45062
       1925  |   55.17064   2.481526    22.23   0.000     50.22609    60.11519
       1926  |    57.2785   3.449342    16.61   0.000     50.40553    64.15146
       1927  |   68.29119     4.8523    14.07   0.000     58.62277    77.95961
       1928  |   71.35379   4.734278    15.07   0.000     61.92054    80.78705
       1929  |   87.66077   5.184227    16.91   0.000     77.33097    97.99057
       1930  |    91.1462   4.579147    19.90   0.000     82.02205    100.2703
       1931  |   102.8667   4.790835    21.47   0.000     93.32078    112.4127
       1932  |   113.7609   3.915413    29.05   0.000     105.9593    121.5626
       1933  |   119.4393   4.109263    29.07   0.000     111.2514    127.6272
       1934  |    133.323   3.244427    41.09   0.000     126.8583    139.7876
       1935  |   146.6085   3.486883    42.05   0.000     139.6607    153.5563
       1936  |   138.2478     3.8485    35.92   0.000     130.5795    145.9161
       1937  |    131.719    4.44736    29.62   0.000     122.8575    140.5806
       1938  |   97.32344   5.467181    17.80   0.000     86.42985     108.217
       1939  |   79.83812    5.72315    13.95   0.000      68.4345    91.24175
       1940  |   32.41007   6.713161     4.83   0.000     19.03381    45.78634
       1941  |   3.832263   6.879216     0.56   0.579    -9.874875     17.5394
             |
       regno |
          2  |  -49.34223    6.61739    -7.46   0.000    -62.52766   -36.15679
          3  |   .2857612   3.414518     0.08   0.934    -6.517814    7.089336
          5  |    1.59313   1.449196     1.10   0.275    -1.294457    4.480717
          6  |  -18.68187   1.104323   -16.92   0.000    -20.88228   -16.48146
          7  |  -36.83305   14.53287    -2.53   0.013    -65.79043   -7.875677
          8  |  -27.31072   4.202238    -6.50   0.000    -35.68386   -18.93758
          9  |  -19.62546   .5978543   -32.83   0.000    -20.81671   -18.43421
         10  |   -20.1237   1.528402   -13.17   0.000    -23.16911    -17.0783
         11  |  -9.237555   2.659896    -3.47   0.001    -14.53751   -3.937596
         12  |  -17.41511    4.88767    -3.56   0.001      -27.154   -7.676212
         13  |  -12.79574   5.705733    -2.24   0.028    -24.16466   -1.426823
         14  |  -14.92158   .9477003   -15.75   0.000    -16.80991   -13.03325
         15  |  -8.490479   .4491697   -18.90   0.000    -9.385469   -7.595489
         16  |  -42.00363   16.67021    -2.52   0.014    -75.21975   -8.787512
         17  |  -41.05791   14.23674    -2.88   0.005    -69.42524   -12.69059
         18  |  -17.05529   3.186562    -5.35   0.000    -23.40465   -10.70593
         19  |  -21.70879   1.653673   -13.13   0.000    -25.00381   -18.41378
         20  |    -15.209   1.274375   -11.93   0.000    -17.74825   -12.66975
         21  |  -21.19194   5.345356    -3.96   0.000    -31.84279   -10.54108
         22  |  -36.91951   7.806245    -4.73   0.000    -52.47379   -21.36522
         23  |  -22.80477   5.509447    -4.14   0.000    -33.78258   -11.82696
         24  |   11.08869   4.440106     2.50   0.015     2.241587    19.93579
         25  |    2.21517   4.057562     0.55   0.587    -5.869699    10.30004
         26  |   5.138024   2.379028     2.16   0.034     .3977069    9.878341
         27  |  -14.66331   4.175258    -3.51   0.001    -22.98269   -6.343925
         28  |  -31.49479   10.11841    -3.11   0.003    -51.65616   -11.33342
         29  |  -19.05266   2.869768    -6.64   0.000     -24.7708   -13.33453
         30  |  -29.55785   5.457186    -5.42   0.000    -40.43153   -18.68417
         31  |  -18.30799   1.699531   -10.77   0.000    -21.69438    -14.9216
         32  |  -13.85504   1.373173   -10.09   0.000    -16.59114   -11.11893
         33  |  -14.02763   1.642226    -8.54   0.000    -17.29984   -10.75542
         34  |   44.38796   15.24133     2.91   0.005     14.01895    74.75697
         35  |  -8.604625   6.806901    -1.26   0.210    -22.16767    4.958422
         36  |  -21.13367   .6937361   -30.46   0.000    -22.51597   -19.75137
         37  |  -39.47322   6.155307    -6.41   0.000    -51.73793    -27.2085
         38  |  -17.67555   2.234763    -7.91   0.000    -22.12842   -13.22269
         39  |  -45.14246   8.458671    -5.34   0.000    -61.99673   -28.28819
         40  |  -35.16664   7.041307    -4.99   0.000    -49.19675   -21.13653
         41  |  -23.89608   1.571941   -15.20   0.000    -27.02824   -20.76392
         42  |  -25.71659   8.022638    -3.21   0.002    -41.70204    -9.73113
         43  |   30.80773   2.149455    14.33   0.000     26.52485    35.09062
         44  |  -15.28675   4.968732    -3.08   0.003    -25.18717    -5.38634
         46  |  -.8647429   3.079956    -0.28   0.780    -7.001689    5.272203
         47  |  -19.78832   2.027677    -9.76   0.000    -23.82855   -15.74809
         49  |  -49.94657   9.163137    -5.45   0.000    -68.20452   -31.68862
         50  |  -47.24004   4.178291   -11.31   0.000    -55.56546   -38.91461
         51  |  -48.31896   9.553927    -5.06   0.000    -67.35557   -29.28234
         52  |  -16.52522   6.899119    -2.40   0.019    -30.27202   -2.778424
         53  |  -4.582958   2.635716    -1.74   0.086    -9.834737    .6688216
         54  |  -29.75744   1.777959   -16.74   0.000     -33.3001   -26.21478
         55  |  -18.49306   4.269595    -4.33   0.000    -27.00041   -9.985701
         56  |  -27.83966   9.153786    -3.04   0.003    -46.07898   -9.600348
         58  |  -41.48618   12.43444    -3.34   0.001    -66.26234   -16.71002
         59  |  -40.53246   10.19181    -3.98   0.000    -60.84009   -20.22483
         61  |  -28.52154   4.926174    -5.79   0.000    -38.33715   -18.70592
         62  |  -36.72721   9.987505    -3.68   0.000    -56.62775   -16.82667
         63  |  -34.82221   7.190546    -4.84   0.000    -49.14969   -20.49474
         64  |   -28.7757   4.016611    -7.16   0.000    -36.77897   -20.77243
         65  |  -8.927911   1.557488    -5.73   0.000    -12.03127    -5.82455
         66  |  -15.50414   1.440292   -10.76   0.000    -18.37399    -12.6343
         69  |  -15.75995   3.870725    -4.07   0.000    -23.47254   -8.047362
         70  |  -20.06896    12.7853    -1.57   0.121    -45.54424    5.406312
         71  |   -24.4215   3.895189    -6.27   0.000    -32.18284   -16.66017
         72  |  -40.72539   7.343441    -5.55   0.000    -55.35751   -26.09326
         75  |   -38.1837    7.59039    -5.03   0.000    -53.30788   -23.05952
         77  |  -23.61472    2.56978    -9.19   0.000    -28.73512   -18.49432
         79  |  -54.12762   9.333254    -5.80   0.000    -72.72454   -35.53071
         82  |  -47.44372   5.368862    -8.84   0.000    -58.14142   -36.74603
         83  |   -49.1373   5.812259    -8.45   0.000    -60.71848   -37.55612
         84  |  -46.47609   4.034382   -11.52   0.000    -54.51477   -38.43741
         85  |  -48.24585   8.121612    -5.94   0.000    -64.42851   -32.06318
         87  |  -126.5624   16.53533    -7.65   0.000    -159.5097   -93.61501
         88  |  -54.29333   5.003111   -10.85   0.000    -64.26225   -44.32441
         89  |  -27.10795   .4680401   -57.92   0.000    -28.04054   -26.17536
             |
regno#c.time |
          1  |  -.8657364   .0998526    -8.67   0.000    -1.064697   -.6667758
          2  |   .6657562    .146907     4.53   0.000     .3730377    .9584747
          3  |  -1.798485   .2306783    -7.80   0.000    -2.258121   -1.338848
          5  |  -2.064624   .1727036   -11.95   0.000    -2.408743   -1.720505
          6  |  -.7230788    .179288    -4.03   0.000    -1.080318   -.3658397
          7  |  -2.479721    .174262   -14.23   0.000    -2.826945   -2.132496
          8  |  -.6364936   .1477757    -4.31   0.000    -.9309431   -.3420441
          9  |  -.9752184   .1755697    -5.55   0.000    -1.325049   -.6253881
         10  |  -.5309414   .1511376    -3.51   0.001    -.8320896   -.2297932
         11  |  -.9365277   .1024914    -9.14   0.000    -1.140746   -.7323091
         12  |  -1.133989   .0954339   -11.88   0.000    -1.324145   -.9438327
         13  |  -1.684039   .1270079   -13.26   0.000    -1.937108    -1.43097
         14  |  -.8671161   .1295428    -6.69   0.000    -1.125236   -.6089965
         15  |  -1.386697    .107025   -12.96   0.000    -1.599949   -1.173445
         16  |  -2.082533   .1601251   -13.01   0.000     -2.40159   -1.763477
         17  |  -.9455525   .1217329    -7.77   0.000    -1.188111   -.7029943
         18  |  -1.368013   .1029226   -13.29   0.000    -1.573091   -1.162936
         19  |  -1.153017   .1072147   -10.75   0.000    -1.366647    -.939387
         20  |  -1.143488   .1635481    -6.99   0.000    -1.469364   -.8176111
         21  |  -1.376765   .1433235    -9.61   0.000    -1.662343   -1.091186
         22  |  -.2788616   .1378303    -2.02   0.047    -.5534945   -.0042287
         23  |  -1.705269   .1623369   -10.50   0.000    -2.028732   -1.381805
         24  |  -1.241414   .0788592   -15.74   0.000    -1.398544   -1.084283
         25  |   -1.44056    .106188   -13.57   0.000    -1.652144   -1.228976
         26  |  -1.380668   .0850246   -16.24   0.000    -1.550083   -1.211253
         27  |  -1.273469   .1594468    -7.99   0.000    -1.591173   -.9557641
         28  |   -1.04041   .1331677    -7.81   0.000    -1.305753   -.7750675
         29  |  -.9657165   .1436516    -6.72   0.000    -1.251949   -.6794844
         30  |   -1.10064   .1130276    -9.74   0.000    -1.325852   -.8754276
         31  |  -1.223503   .1182424   -10.35   0.000    -1.459107   -.9879004
         32  |  -1.349899   .1247876   -10.82   0.000    -1.598543   -1.101254
         33  |  -1.273783   .1584346    -8.04   0.000    -1.589471   -.9580957
         34  |   .7192843   .1052904     6.83   0.000     .5094887    .9290799
         35  |  -1.546377   .0655638   -23.59   0.000    -1.677015   -1.415738
         36  |  -.7107955   .1817591    -3.91   0.000    -1.072958   -.3486327
         37  |   .1214531   .0770995     1.58   0.119     -.032171    .2750771
         38  |  -1.107911   .0946221   -11.71   0.000     -1.29645   -.9193723
         39  |  -.1497217   .0943386    -1.59   0.117    -.3376956    .0382521
         40  |  -.9541546   .1113597    -8.57   0.000    -1.176044   -.7322656
         41  |   -.239182   .1243736    -1.92   0.058    -.4870018    .0086379
         42  |   .5176974   .1331717     3.89   0.000      .252347    .7830478
         43  |  -1.343894   .1272884   -10.56   0.000    -1.597522   -1.090267
         44  |   .0344454    .112766     0.31   0.761    -.1902458    .2591366
         46  |  -2.060127   .0772288   -26.68   0.000    -2.214009   -1.906246
         47  |    .181525   .1052455     1.72   0.089    -.0281813    .3912313
         49  |   .4618617   .1639277     2.82   0.006     .1352287    .7884948
         50  |     .45569   .1665154     2.74   0.008     .1239008    .7874791
         51  |  -.1471139   .1018811    -1.44   0.153    -.3501164    .0558886
         52  |  -.5544425   .0379865   -14.60   0.000    -.6301322   -.4787529
         53  |  -.7905388   .0692058   -11.42   0.000    -.9284344   -.6526432
         54  |  -.6374834   .0909846    -7.01   0.000    -.8187742   -.4561925
         55  |  -.5625432   .0883401    -6.37   0.000    -.7385646   -.3865218
         56  |  -.7420357    .109148    -6.80   0.000    -.9595179   -.5245536
         58  |  -.3584648   .0937015    -3.83   0.000    -.5451692   -.1717605
         59  |  -.1018552   .0685498    -1.49   0.142    -.2384436    .0347332
         61  |  -.4126386   .0936957    -4.40   0.000    -.5993313   -.2259458
         62  |    .532663   .1451513     3.67   0.000     .2434427    .8218832
         63  |  -.7097071   .0806683    -8.80   0.000    -.8704422    -.548972
         64  |  -.5493055   .0499089   -11.01   0.000    -.6487512   -.4498598
         65  |  -1.842244   .1011728   -18.21   0.000    -2.043835   -1.640653
         66  |  -.5016329   .0876926    -5.72   0.000    -.6763642   -.3269015
         69  |   .3765409    .055172     6.82   0.000     .2666084    .4864734
         70  |   1.017152    .064537    15.76   0.000     .8885589    1.145744
         71  |   .8906464   .0923934     9.64   0.000     .7065486    1.074744
         72  |  -.6196476   .1173542    -5.28   0.000     -.853481   -.3858143
         75  |  -.4035081   .0746742    -5.40   0.000    -.5522996   -.2547165
         77  |   .8755955   .0357136    24.52   0.000     .8044346    .9467563
         79  |    .996134    .147011     6.78   0.000     .7032081     1.28906
         82  |   .8055133   .0483826    16.65   0.000     .7091088    .9019177
         83  |   1.088446   .0933211    11.66   0.000        .9025    1.274393
         84  |   1.651338   .1030002    16.03   0.000     1.446105     1.85657
         85  |   2.088195   .0449995    46.40   0.000     1.998531    2.177858
         87  |    4.58763   .4503663    10.19   0.000     3.690255    5.485004
         88  |   1.898795   .1061415    17.89   0.000     1.687304    2.110287
         89  |          0  (omitted)
             |
       _cons |  -94.12858   41.58625    -2.26   0.027     -176.991   -11.26618
------------------------------------------------------------------------------

. *  Rural age 18-44;
. reg brater sr10r lnpopmr i.yob i.regno, cluster(regno);

Linear regression                               Number of obs     =      1,971
                                                F(27, 72)         =          .
                                                Prob > F          =          .
                                                R-squared         =     0.9146
                                                Root MSE          =     21.803

                                 (Std. Err. adjusted for 73 clusters in regno)
------------------------------------------------------------------------------
             |               Robust
      brater |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       sr10r |   30.85904   20.69526     1.49   0.140     -10.3962    72.11429
     lnpopmr |  -16.46597   9.484101    -1.74   0.087    -35.37218    2.440237
             |
         yob |
       1916  |   3.520093   2.129736     1.65   0.103    -.7254592    7.765645
       1917  |    13.5214   3.372217     4.01   0.000     6.799003    20.24379
       1918  |   18.28669   4.895147     3.74   0.000     8.528394    28.04499
       1919  |   40.84258   2.182662    18.71   0.000     36.49152    45.19363
       1920  |   40.49252    3.09502    13.08   0.000     34.32272    46.66233
       1921  |   57.51031   2.860483    20.11   0.000     51.80804    63.21258
       1922  |   65.50482   3.164296    20.70   0.000     59.19692    71.81273
       1923  |   73.06863   2.766218    26.41   0.000     67.55427    78.58298
       1924  |   92.19689   3.278945    28.12   0.000     85.66043    98.73334
       1925  |   98.87382   4.169194    23.72   0.000     90.56268     107.185
       1926  |   105.1437   4.218417    24.92   0.000     96.73448     113.553
       1927  |   128.8971   5.757793    22.39   0.000     117.4192    140.3751
       1928  |   127.3311   5.553142    22.93   0.000     116.2611    138.4011
       1929  |     164.64   7.077684    23.26   0.000     150.5309    178.7491
       1930  |   153.1845   6.098187    25.12   0.000      141.028     165.341
       1931  |    172.797   6.435257    26.85   0.000     159.9685    185.6254
       1932  |   181.5689   5.835122    31.12   0.000     169.9368     193.201
       1933  |   177.1261   5.388404    32.87   0.000     166.3845    187.8677
       1934  |   194.2022   5.776328    33.62   0.000     182.6873    205.7171
       1935  |   202.2286   6.207074    32.58   0.000     189.8551    214.6022
       1936  |   198.4957   7.273213    27.29   0.000     183.9968    212.9946
       1937  |   194.5003   7.511339    25.89   0.000     179.5267    209.4739
       1938  |   156.8148   8.308848    18.87   0.000     140.2514    173.3781
       1939  |   140.7556   8.846902    15.91   0.000     123.1197    158.3916
       1940  |   70.46221   8.453339     8.34   0.000     53.61078    87.31363
       1941  |   30.50799   8.389504     3.64   0.001     13.78382    47.23216
             |
       regno |
          2  |   18.92169   3.326031     5.69   0.000     12.29136    25.55201
          3  |   14.19938   7.402883     1.92   0.059     -.557999    28.95676
          5  |    13.8987   11.69661     1.19   0.239    -9.418056    37.21546
          6  |  -88.06496    16.5714    -5.31   0.000    -121.0994   -55.03048
          8  |  -43.10646   9.850996    -4.38   0.000    -62.74406   -23.46885
          9  |  -38.36348   6.435491    -5.96   0.000    -51.19239   -25.53456
         10  |  -36.94701   10.04889    -3.68   0.000    -56.97911   -16.91492
         11  |   6.138067   14.11386     0.43   0.665    -21.99741    34.27354
         12  |  -21.83234   9.012596    -2.42   0.018    -39.79862   -3.866057
         13  |  -34.96563   6.083333    -5.75   0.000    -47.09253   -22.83872
         14  |  -16.45394    9.06566    -1.81   0.074    -34.52601    1.618119
         15  |  -9.777628   7.699633    -1.27   0.208    -25.12657     5.57131
         17  |  -31.53149   22.76561    -1.39   0.170     -76.9139    13.85091
         18  |  -12.99164   10.42509    -1.25   0.217    -33.77367    7.790397
         19  |  -9.095505   13.20472    -0.69   0.493    -35.41862    17.22761
         20  |  -25.27197   11.36892    -2.22   0.029    -47.93549   -2.608445
         21  |  -29.99211   13.49095    -2.22   0.029    -56.88582   -3.098386
         22  |  -30.41233   11.07677    -2.75   0.008    -52.49348   -8.331187
         23  |  -33.14194   8.613669    -3.85   0.000    -50.31298   -15.97091
         24  |   15.77801   7.422021     2.13   0.037     .9824791    30.57354
         25  |   16.90239   12.13273     1.39   0.168    -7.283775    41.08855
         26  |   29.80577   12.72278     2.34   0.022     4.443367    55.16817
         27  |   12.77553   15.02718     0.85   0.398    -17.18061    42.73168
         28  |   7.414208   19.10502     0.39   0.699    -30.67096    45.49938
         29  |   -12.9202   13.94021    -0.93   0.357     -40.7095    14.86909
         30  |  -2.477433    17.6246    -0.14   0.889    -37.61143    32.65657
         31  |   4.057071   15.10971     0.27   0.789    -26.06359    34.17774
         32  |  -1.173683    11.5734    -0.10   0.920    -24.24483    21.89746
         33  |   7.979472   14.16345     0.56   0.575    -20.25485    36.21379
         34  |   12.89083   6.278534     2.05   0.044     .3747985    25.40686
         35  |   44.99543   18.07002     2.49   0.015     8.973511    81.01735
         36  |   12.46008   2.406327     5.18   0.000     7.663158    17.25701
         37  |   -6.86165   11.05117    -0.62   0.537    -28.89175    15.16845
         38  |   4.820701   13.42245     0.36   0.721    -21.93647    31.57787
         39  |   1.519151   10.98885     0.14   0.890    -20.38672    23.42502
         40  |  -5.738407   12.74661    -0.45   0.654    -31.14831     19.6715
         41  |  -4.505053   9.957734    -0.45   0.652    -24.35543    15.34533
         42  |  -34.41304   3.329899   -10.33   0.000    -41.05108   -27.77501
         43  |   77.09667   9.639529     8.00   0.000     57.88062    96.31272
         44  |   21.54365   2.209504     9.75   0.000     17.13908    25.94822
         46  |  -37.42209   2.455721   -15.24   0.000    -42.31748    -32.5267
         47  |   65.66673   2.957956    22.20   0.000     59.77015     71.5633
         49  |   .2737174   21.09392     0.01   0.990    -41.77624    42.32367
         50  |  -4.877162   15.79989    -0.31   0.758    -36.37366    26.61934
         51  |   -8.10847   16.25189    -0.50   0.619    -40.50603    24.28909
         52  |   56.31999   19.77571     2.85   0.006     16.89784    95.74214
         53  |   31.64137   11.15856     2.84   0.006     9.397195    53.88555
         54  |  -6.651472    9.72477    -0.68   0.496    -26.03745     12.7345
         55  |   28.67278   12.88823     2.22   0.029     2.980562      54.365
         56  |   23.19986    14.8512     1.56   0.123    -6.405464    52.80519
         58  |   .9477277   12.19314     0.08   0.938    -23.35886    25.25431
         59  |   10.66327   9.540613     1.12   0.267    -8.355593    29.68213
         61  |   33.17184   19.10739     1.74   0.087    -4.918053    71.26173
         62  |   4.913732   8.216255     0.60   0.552    -11.46507    21.29254
         63  |   24.81578   13.48972     1.84   0.070    -2.075487    51.70704
         64  |   31.60429   12.83129     2.46   0.016     6.025584      57.183
         65  |   3.389774   4.173942     0.81   0.419    -4.930827    11.71038
         66  |   16.24275   10.88872     1.49   0.140    -5.463521    37.94902
         69  |   30.13473   4.055649     7.43   0.000     22.04994    38.21952
         70  |   42.08748    9.09224     4.63   0.000     23.96243    60.21253
         71  |  -4.586592   2.743302    -1.67   0.099    -10.05526    .8820796
         72  |   14.08397   15.50807     0.91   0.367     -16.8308    44.99873
         75  |   22.04748   9.097835     2.42   0.018     3.911277    40.18368
         77  |    24.9103   6.052709     4.12   0.000     12.84445    36.97616
         79  |   25.13952   1.948387    12.90   0.000     21.25548    29.02356
         82  |  -15.76875   5.424835    -2.91   0.005    -26.58296   -4.954542
         83  |  -16.65393   2.054274    -8.11   0.000    -20.74905   -12.55881
         84  |  -.6271969   .9421761    -0.67   0.508    -2.505391    1.250997
         85  |  -43.36656   11.26837    -3.85   0.000    -65.82964   -20.90348
         87  |  -58.64382   21.61153    -2.71   0.008    -101.7256   -15.56203
         88  |  -34.87042   6.062958    -5.75   0.000    -46.95671   -22.78414
         89  |  -36.40668   1.767952   -20.59   0.000    -39.93103   -32.88233
             |
       _cons |    127.052   57.53125     2.21   0.030     12.36555    241.7385
------------------------------------------------------------------------------

. reg brater sr10r lnpopmr i.yob i.regno [aweight=popfr], cluster(regno);
(sum of wgt is   1.1746e+07)

Linear regression                               Number of obs     =      1,971
                                                F(27, 72)         =          .
                                                Prob > F          =          .
                                                R-squared         =     0.9085
                                                Root MSE          =     22.134

                                 (Std. Err. adjusted for 73 clusters in regno)
------------------------------------------------------------------------------
             |               Robust
      brater |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       sr10r |   14.17237   37.81661     0.37   0.709    -61.21366    89.55841
     lnpopmr |  -8.632975   12.51847    -0.69   0.493    -33.58809    16.32214
             |
         yob |
       1916  |   5.139296   2.537679     2.03   0.047     .0805259    10.19807
       1917  |   12.94836   4.359023     2.97   0.004     4.258802    21.63791
       1918  |   19.87302   6.230738     3.19   0.002     7.452276    32.29377
       1919  |   37.26004   2.736855    13.61   0.000     31.80422    42.71586
       1920  |   37.48461   3.655247    10.26   0.000     30.19801    44.77122
       1921  |   55.72749   3.372917    16.52   0.000     49.00371    62.45128
       1922  |   62.16356   3.480256    17.86   0.000     55.22579    69.10132
       1923  |   69.86428   3.613091    19.34   0.000     62.66171    77.06684
       1924  |   88.32608   4.973785    17.76   0.000     78.41102    98.24114
       1925  |   92.39294   6.114486    15.11   0.000     80.20394    104.5819
       1926  |    99.5763   6.997736    14.23   0.000     85.62657     113.526
       1927  |   120.4653   8.953999    13.45   0.000     102.6158    138.3147
       1928  |   119.2972   9.562378    12.48   0.000      100.235    138.3595
       1929  |   156.9564   11.80741    13.29   0.000     133.4187     180.494
       1930  |   147.7943   9.925597    14.89   0.000     128.0079    167.5806
       1931  |   167.0962   12.70588    13.15   0.000     141.7675    192.4249
       1932  |   175.7435   11.68118    15.05   0.000     152.4575    199.0295
       1933  |   174.2078    11.3465    15.35   0.000      151.589    196.8267
       1934  |   193.3399   12.48346    15.49   0.000     168.4546    218.2252
       1935  |   202.2359   13.06088    15.48   0.000     176.1995    228.2723
       1936  |    196.526   14.78908    13.29   0.000     167.0445    226.0075
       1937  |   193.4632   14.75238    13.11   0.000     164.0549    222.8716
       1938  |   155.8498   15.44317    10.09   0.000     125.0644    186.6351
       1939  |   138.9282   16.25368     8.55   0.000     106.5271    171.3293
       1940  |   68.46148   15.81573     4.33   0.000      36.9334    99.98956
       1941  |   29.14304   16.45074     1.77   0.081     -3.65092      61.937
             |
       regno |
          2  |   19.91064   7.388807     2.69   0.009     5.181322    34.63996
          3  |   8.206169   9.034793     0.91   0.367    -9.804361     26.2167
          5  |   4.835128   15.55598     0.31   0.757    -26.17515    35.84541
          6  |  -81.84236   21.74128    -3.76   0.000    -125.1828    -38.5019
          8  |  -54.91766   13.34161    -4.12   0.000    -81.51367   -28.32166
          9  |  -45.71904   8.954542    -5.11   0.000     -63.5696   -27.86849
         10  |  -47.64479    13.4282    -3.55   0.001    -74.41343   -20.87616
         11  |  -6.542628   19.76883    -0.33   0.742    -45.95107    32.86581
         12  |  -31.85776   12.35153    -2.58   0.012    -56.48009   -7.235441
         13  |  -42.59704   8.475047    -5.03   0.000    -59.49174   -25.70234
         14  |  -25.79283   12.87187    -2.00   0.049    -51.45243   -.1332195
         15  |  -17.48091    9.87837    -1.77   0.081    -37.17308    2.211264
         17  |  -54.20925   30.19375    -1.80   0.077    -114.3994    5.980886
         18  |  -23.08063   14.18001    -1.63   0.108    -51.34795    5.186703
         19  |  -21.60838    17.3793    -1.24   0.218    -56.25337    13.03662
         20  |  -36.11803   15.47755    -2.33   0.022    -66.97196   -5.264106
         21  |  -42.19638   17.74071    -2.38   0.020    -77.56185   -6.830916
         22  |  -41.42702   14.54535    -2.85   0.006    -70.42264   -12.43139
         23  |  -42.41949   11.86628    -3.57   0.001    -66.07448    -18.7645
         24  |    9.91955   11.36178     0.87   0.386    -12.72975    32.56885
         25  |    5.79465   16.96593     0.34   0.734    -28.02632    39.61562
         26  |   15.57329    18.3027     0.85   0.398    -20.91247    52.05905
         27  |  -.6538783   19.67436    -0.03   0.974      -39.874    38.56625
         28  |  -10.70342     25.516    -0.42   0.676    -61.56863     40.1618
         29  |  -26.02325   19.28023    -1.35   0.181    -64.45768    12.41118
         30  |  -18.05791   23.70735    -0.76   0.449    -65.31765    29.20183
         31  |  -9.528336   20.19276    -0.47   0.638    -49.78186    30.72519
         32  |  -12.12262   15.96735    -0.76   0.450    -43.95295    19.70771
         33  |   -4.88355   18.73155    -0.26   0.795    -42.22422    32.45712
         34  |     18.371   8.109637     2.27   0.027     2.204737    34.53727
         35  |   25.05288   24.64304     1.02   0.313    -24.07212    74.17788
         36  |   11.41976   3.620508     3.15   0.002     4.202415    18.63711
         37  |  -16.34517   14.81785    -1.10   0.274    -45.88401    13.19368
         38  |  -7.922513   18.03621    -0.44   0.662    -43.87704    28.03201
         39  |  -8.090308   14.66144    -0.55   0.583    -37.31736    21.13675
         40  |  -15.73277    16.8503    -0.93   0.354    -49.32322    17.85768
         41  |  -14.54525   13.50517    -1.08   0.285    -41.46732    12.37682
         42  |   -32.3545   4.918236    -6.58   0.000    -42.15883   -22.55018
         43  |   54.48112   14.81377     3.68   0.000     24.95041    84.01183
         44  |   18.80719   2.321778     8.10   0.000     14.17881    23.43557
         46  |  -46.52157   3.358564   -13.85   0.000    -53.21674   -39.82639
         47  |   60.77483   5.416038    11.22   0.000     49.97815     71.5715
         49  |  -15.41414   28.23962    -0.55   0.587    -71.70879    40.88051
         50  |   -16.4169    21.3681    -0.77   0.445    -59.01343    26.17963
         51  |  -20.55629    21.7693    -0.94   0.348     -63.9526    22.84001
         52  |   37.75906   26.83665     1.41   0.164    -15.73882    91.25694
         53  |   22.02537    15.8653     1.39   0.169    -9.601531    53.65227
         54  |  -14.91493    13.3626    -1.12   0.268    -41.55278    11.72292
         55  |   17.53386   17.52616     1.00   0.320    -17.40391    52.47163
         56  |   9.961536   19.33514     0.52   0.608    -28.58235    48.50543
         58  |   -9.48639   15.32708    -0.62   0.538    -40.04037    21.06759
         59  |   3.445183   12.84578     0.27   0.789    -22.16241    29.05277
         61  |   17.79407   25.21086     0.71   0.483    -32.46285    68.05099
         62  |  -2.750465   10.32524    -0.27   0.791    -23.33345    17.83252
         63  |   14.26367   17.91188     0.80   0.428      -21.443    49.97035
         64  |    22.4067   17.25303     1.30   0.198    -11.98658    56.79998
         65  |  -.4338054   5.328465    -0.08   0.935    -11.05591    10.18829
         66  |   5.719776   14.66757     0.39   0.698     -23.5195    34.95905
         69  |   27.90152   5.889704     4.74   0.000     16.16061    39.64243
         70  |   49.68821   11.30963     4.39   0.000     27.14287    72.23354
         71  |   -2.41393    4.26004    -0.57   0.573    -10.90616    6.078305
         72  |   .5276599   20.06698     0.03   0.979    -39.47512    40.53044
         75  |   14.32659   11.41401     1.26   0.213    -8.426824    37.08001
         77  |   21.17714   8.585049     2.47   0.016      4.06316    38.29112
         79  |   23.22742   2.499613     9.29   0.000     18.24453     28.2103
         82  |   -20.8295   7.163985    -2.91   0.005    -35.11065   -6.548359
         83  |  -17.30161   3.470906    -4.98   0.000    -24.22073   -10.38248
         84  |    1.40502   1.197878     1.17   0.245     -.982907    3.792947
         85  |   -35.9094   15.44457    -2.33   0.023    -66.69758    -5.12121
         87  |  -46.13131   32.02513    -1.44   0.154    -109.9722    17.70961
         88  |  -32.26877    9.16695    -3.52   0.001    -50.54276   -13.99479
         89  |  -38.39993   4.163465    -9.22   0.000    -46.69964   -30.10021
             |
       _cons |    86.8603   75.75471     1.15   0.255    -64.15395    237.8746
------------------------------------------------------------------------------

. reg brater sr10r lnpopmr i.yob i.regno i.regno#c.time, cluster(regno);
note: 89.regno#c.time omitted because of collinearity

Linear regression                               Number of obs     =      1,971
                                                F(26, 72)         =          .
                                                Prob > F          =          .
                                                R-squared         =     0.9444
                                                Root MSE          =     17.947

                                 (Std. Err. adjusted for 73 clusters in regno)
------------------------------------------------------------------------------
             |               Robust
      brater |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       sr10r |   189.9565   34.24113     5.55   0.000      121.698    258.2149
     lnpopmr |  -1.569943   6.717425    -0.23   0.816    -14.96088      11.821
             |
         yob |
       1916  |   6.785688   1.488765     4.56   0.000     3.817889    9.753488
       1917  |   19.57327   2.468151     7.93   0.000      14.6531    24.49344
       1918  |   27.50596   3.562621     7.72   0.000       20.404    34.60791
       1919  |   43.54526   2.646469    16.45   0.000     38.26962     48.8209
       1920  |   48.08373   3.479545    13.82   0.000     41.14738    55.02008
       1921  |   64.18245    3.27311    19.61   0.000     57.65762    70.70727
       1922  |   72.61344   3.794596    19.14   0.000     65.04905    80.17783
       1923  |    77.2526   3.297346    23.43   0.000     70.67946    83.82574
       1924  |   91.58893   4.126422    22.20   0.000     83.36305     99.8148
       1925  |   93.62338   4.925236    19.01   0.000      83.8051    103.4417
       1926  |   94.02981   5.181734    18.15   0.000     83.70021    104.3594
       1927  |   110.5963   6.531633    16.93   0.000     97.57569    123.6168
       1928  |   104.7278   7.299132    14.35   0.000     90.17728    119.2784
       1929  |    135.221   8.240053    16.41   0.000     118.7947    151.6472
       1930  |   122.2327   8.002138    15.28   0.000     106.2808    138.1847
       1931  |    137.524   8.796117    15.63   0.000     119.9892    155.0587
       1932  |   147.2539   7.578153    19.43   0.000     132.1472    162.3607
       1933  |   140.4208   8.473823    16.57   0.000     123.5285     157.313
       1934  |   156.5405     7.8389    19.97   0.000      140.914    172.1671
       1935  |   161.3781   8.324626    19.39   0.000     144.7833     177.973
       1936  |   150.1535   9.576979    15.68   0.000     131.0621    169.2448
       1937  |   140.1713   10.44656    13.42   0.000     119.3464    160.9961
       1938  |   96.87923   11.67516     8.30   0.000     73.60522    120.1532
       1939  |   79.16707   12.28044     6.45   0.000     54.68647    103.6477
       1940  |    9.13164   12.33731     0.74   0.462    -15.46233    33.72561
       1941  |  -29.01778   12.66022    -2.29   0.025    -54.25547   -3.780086
             |
       regno |
          2  |   16.66089   3.428339     4.86   0.000     9.826617    23.49515
          3  |   24.48394   7.612983     3.22   0.002     9.307734    39.66014
          5  |   44.05611   10.52076     4.19   0.000     23.08335    65.02888
          6  |  -53.28348   11.77029    -4.53   0.000    -76.74712   -29.81985
          8  |  -45.50953   8.187447    -5.56   0.000    -61.83091   -29.18816
          9  |  -9.488917   6.175547    -1.54   0.129    -21.79965     2.82181
         10  |  -21.66857   8.733868    -2.48   0.015    -39.07922   -4.257924
         11  |    18.4503   10.29164     1.79   0.077      -2.0657     38.9663
         12  |  -8.060936   7.268169    -1.11   0.271    -22.54977    6.427894
         13  |  -2.963305   6.127945    -0.48   0.630    -15.17914    9.252529
         14  |   2.118241   7.729202     0.27   0.785    -13.28964    17.52612
         15  |    11.2437   7.984206     1.41   0.163    -4.672519    27.15993
         17  |  -57.76491   17.58122    -3.29   0.002    -92.81242   -22.71739
         18  |  -7.267649   8.525011    -0.85   0.397    -24.26195     9.72665
         19  |  -2.369193   11.32578    -0.21   0.835    -24.94673    20.20834
         20  |  -1.136388    10.5797    -0.11   0.915    -22.22664    19.95386
         21  |  -15.88982   12.03059    -1.32   0.191    -39.87237    8.092731
         22  |  -32.16004   9.258788    -3.47   0.001    -50.61709   -13.70298
         23  |  -5.682838   7.527208    -0.75   0.453    -20.68805    9.322378
         24  |   53.15517   6.344978     8.38   0.000     40.50669    65.80365
         25  |   35.73256   9.332354     3.83   0.000     17.12886    54.33627
         26  |   71.14528   9.046707     7.86   0.000       53.111    89.17956
         27  |   18.96414    12.3264     1.54   0.128    -5.608089    43.53637
         28  |   7.829181   14.20099     0.55   0.583    -20.47998    36.13834
         29  |    -24.229   11.00838    -2.20   0.031     -46.1738   -2.284205
         30  |  -22.06766   13.74275    -1.61   0.113    -49.46333    5.328012
         31  |   -8.52995   11.92731    -0.72   0.477     -32.3066     15.2467
         32  |   6.118872   9.357188     0.65   0.515    -12.53434    24.77209
         33  |  -4.378758    11.7177    -0.37   0.710    -27.73756    18.98004
         34  |  -21.32062   7.576723    -2.81   0.006    -36.42454   -6.216698
         35  |    74.5101   12.65165     5.89   0.000      49.2895     99.7307
         36  |  -23.43188   3.962213    -5.91   0.000     -31.3304   -15.53335
         37  |   -43.8298   9.578948    -4.58   0.000    -62.92508   -24.73451
         38  |   1.835936   10.88505     0.17   0.867    -19.86301    23.53488
         39  |  -22.04649   9.236298    -2.39   0.020    -40.45872    -3.63427
         40  |  -35.94946   10.98016    -3.27   0.002    -57.83801   -14.06091
         41  |  -6.967443   8.009592    -0.87   0.387    -22.93427    8.999386
         42  |  -48.45552   2.574178   -18.82   0.000    -53.58705   -43.32399
         43  |   93.97932   6.773748    13.87   0.000      80.4761    107.4825
         44  |  -2.699164   8.120343    -0.33   0.741    -18.88677    13.48844
         46  |  -15.50095    5.73468    -2.70   0.009    -26.93282   -4.069073
         47  |   15.08635   9.804266     1.54   0.128    -4.458092     34.6308
         49  |  -63.74994   16.71274    -3.81   0.000    -97.06618   -30.43371
         50  |  -60.57087   12.19096    -4.97   0.000    -84.87309   -36.26864
         51  |   -62.3635   12.67863    -4.92   0.000    -87.63789    -37.0891
         52  |   45.06756   13.50991     3.34   0.001     18.13606    71.99907
         53  |   41.99979   8.308187     5.06   0.000     25.43773    58.56186
         54  |  -30.83643   7.458435    -4.13   0.000    -45.70455   -15.96831
         55  |   .9527887   9.432799     0.10   0.920    -17.85115    19.75673
         56  |   3.378383   11.68984     0.29   0.773    -19.92488    26.68165
         58  |  -31.12948   10.67664    -2.92   0.005    -52.41299   -9.845984
         59  |  -43.01611   8.701359    -4.94   0.000    -60.36195   -25.67027
         61  |  -33.31369   14.37673    -2.32   0.023    -61.97317   -4.654209
         62  |  -37.64239   8.400355    -4.48   0.000    -54.38819   -20.89659
         63  |  -23.83891   10.10481    -2.36   0.021    -43.98248   -3.695343
         64  |    -13.742   9.345698    -1.47   0.146    -32.37231    4.888304
         65  |  -34.18211    5.08396    -6.72   0.000     -44.3168   -24.04742
         66  |   -4.93192   8.232878    -0.60   0.551    -21.34386    11.48002
         69  |    -19.607   6.325385    -3.10   0.003    -32.21643   -6.997575
         70  |  -48.34434   19.22315    -2.51   0.014    -86.66499    -10.0237
         71  |  -37.58093   3.515354   -10.69   0.000    -44.58867    -30.5732
         72  |  -48.47998   13.33077    -3.64   0.001    -75.05438   -21.90558
         75  |  -44.42143   12.09282    -3.67   0.000    -68.52803   -20.31482
         77  |  -22.02916   5.780601    -3.81   0.000    -33.55258   -10.50574
         79  |  -6.817759   13.59901    -0.50   0.618     -33.9269    20.29138
         82  |  -96.41976   11.46117    -8.41   0.000    -119.2672   -73.57233
         83  |  -106.8408   14.87076    -7.18   0.000    -136.4851   -77.19644
         84  |  -83.66909    10.6609    -7.85   0.000    -104.9212   -62.41698
         85  |  -119.4211   16.54913    -7.22   0.000    -152.4112   -86.43099
         87  |  -227.6849   35.25329    -6.46   0.000    -297.9611   -157.4088
         88  |  -136.4756    17.3662    -7.86   0.000    -171.0945   -101.8567
         89  |   -47.3051   2.719046   -17.40   0.000    -52.72542   -41.88478
             |
regno#c.time |
          1  |  -2.492279   .4865435    -5.12   0.000    -3.462186   -1.522372
          2  |  -5.717207    1.01863    -5.61   0.000    -7.747809   -3.686606
          3  |   -5.09295   .8673191    -5.87   0.000    -6.821919   -3.363981
          5  |  -4.621806    .623445    -7.41   0.000    -5.864621   -3.378991
          6  |  -4.742672   .6128522    -7.74   0.000    -5.964371   -3.520974
          8  |  -1.883432    .174346   -10.80   0.000    -2.230984    -1.53588
          9  |  -3.671767   .4182403    -8.78   0.000    -4.505514    -2.83802
         10  |  -3.146876   .3728407    -8.44   0.000    -3.890121   -2.403632
         11  |  -2.040463     .21578    -9.46   0.000    -2.470613   -1.610314
         12  |  -2.731831   .3234765    -8.45   0.000    -3.376669   -2.086992
         13  |  -3.935223   .4827445    -8.15   0.000    -4.897557    -2.97289
         14  |  -2.534856   .3712928    -6.83   0.000    -3.275014   -1.794697
         15  |  -4.148901   .6782192    -6.12   0.000    -5.500906   -2.796895
         17  |  -1.703222   .1198251   -14.21   0.000    -1.942089   -1.464355
         18  |  -2.213297   .3564737    -6.21   0.000    -2.923914    -1.50268
         19  |  -3.233774   .5071059    -6.38   0.000    -4.244672   -2.222877
         20  |  -3.515961   .5056242    -6.95   0.000    -4.523904   -2.508017
         21  |  -3.812327   .5112196    -7.46   0.000    -4.831425   -2.793229
         22  |   -2.45692    .360638    -6.81   0.000    -3.175839   -1.738001
         23  |  -3.648015    .400418    -9.11   0.000    -4.446234   -2.849796
         24  |  -3.259122   .2923758   -11.15   0.000    -3.841962   -2.676281
         25  |   -2.64552   .2532145   -10.45   0.000    -3.150294   -2.140746
         26  |  -3.803997   .1590976   -23.91   0.000    -4.121153   -3.486842
         27  |  -3.451573   .6179001    -5.59   0.000    -4.683334   -2.219812
         28  |  -2.693704   .3510824    -7.67   0.000    -3.393574   -1.993834
         29  |  -.6554122    .268392    -2.44   0.017    -1.190442   -.1203824
         30  |  -1.081775   .3368611    -3.21   0.002    -1.753295   -.4102547
         31  |  -1.526831   .3365388    -4.54   0.000    -2.197709   -.8559534
         32  |  -2.065087   .3257569    -6.34   0.000    -2.714471   -1.415702
         33  |  -1.848718   .3773651    -4.90   0.000    -2.600981   -1.096454
         34  |   .2469009   .0987378     2.50   0.015     .0500707    .4437312
         35  |  -4.483787   .3318916   -13.51   0.000    -5.145401   -3.822173
         36  |    .718861   .1344238     5.35   0.000     .4508921    .9868299
         37  |  -.0108297   .3237422    -0.03   0.973    -.6561979    .6345385
         38  |  -2.006887   .3048996    -6.58   0.000    -2.614693   -1.399081
         39  |  -1.081379   .2801147    -3.86   0.000    -1.639778   -.5229809
         40  |  -.9593685   .3840759    -2.50   0.015     -1.72501   -.1937272
         41  |  -1.846484   .2912412    -6.34   0.000    -2.427063   -1.265906
         42  |     .29667   .0952402     3.11   0.003     .1068121     .486528
         43  |  -3.298982   .1284466   -25.68   0.000    -3.555036   -3.042929
         44  |  -.1350518   .1950729    -0.69   0.491    -.5239226    .2538189
         46  |  -3.126193   .0887441   -35.23   0.000    -3.303102   -2.949285
         47  |   1.470427   .3222242     4.56   0.000     .8280852    2.112769
         49  |   .9637107   .2285384     4.22   0.000     .5081277    1.419294
         50  |   1.061771   .1585531     6.70   0.000     .7457015    1.377841
         51  |   .6890188   .2518774     2.74   0.008     .1869103    1.191127
         52  |  -2.049037   .2344647    -8.74   0.000    -2.516434   -1.581641
         53  |  -1.779524   .3166427    -5.62   0.000     -2.41074   -1.148309
         54  |   .0735439   .2906072     0.25   0.801    -.5057708    .6528587
         55  |  -.5425458   .2503024    -2.17   0.033    -1.041514   -.0435772
         56  |  -1.885018   .4122612    -4.57   0.000    -2.706846   -1.063191
         58  |  -2.270622   .6156742    -3.69   0.000    -3.497946   -1.043297
         59  |   1.428386   .0796344    17.94   0.000     1.269637    1.587134
         61  |   1.583687   .2588302     6.12   0.000     1.067719    2.099655
         62  |   -.124748     .25218    -0.49   0.622    -.6274596    .3779636
         63  |   1.011779   .2334882     4.33   0.000      .546329    1.477229
         64  |   .8949731    .161987     5.52   0.000      .572058    1.217888
         65  |   .4920823    .275676     1.79   0.078    -.0574677    1.041632
         66  |  -.6036572   .1929078    -3.13   0.003    -.9882118   -.2191026
         69  |   1.780803   .1006931    17.69   0.000     1.580075    1.981531
         70  |   4.197022   .7125356     5.89   0.000     2.776608    5.617435
         71  |   1.175368   .1006352    11.68   0.000     .9747558    1.375981
         72  |   .7472609   .1531904     4.88   0.000     .4418814     1.05264
         75  |   -.076361   .1470491    -0.52   0.605     -.369498     .216776
         77  |   1.409448   .0265683    53.05   0.000     1.356486    1.462411
         79  |  -.8704577   .3773971    -2.31   0.024    -1.622785   -.1181302
         82  |   3.210939    .331839     9.68   0.000      2.54943    3.872448
         83  |   2.320918   .2675019     8.68   0.000     1.787662    2.854173
         84  |   2.931022   .1604844    18.26   0.000     2.611103    3.250942
         85  |   2.808334   .3781834     7.43   0.000     2.054439    3.562229
         87  |   4.718765   .6715819     7.03   0.000     3.379991    6.057539
         88  |   3.455568   .4063997     8.50   0.000     2.645425    4.265711
         89  |          0  (omitted)
             |
       _cons |  -64.91143    47.1517    -1.38   0.173    -158.9066    29.08376
------------------------------------------------------------------------------

. reg brater sr10r lnpopmr i.yob i.regno i.regno#c.time [aweight=popfr], cluster(regno);
(sum of wgt is   1.1746e+07)
note: 89.regno#c.time omitted because of collinearity

Linear regression                               Number of obs     =      1,971
                                                F(26, 72)         =          .
                                                Prob > F          =          .
                                                R-squared         =     0.9408
                                                Root MSE          =     18.152

                                 (Std. Err. adjusted for 73 clusters in regno)
------------------------------------------------------------------------------
             |               Robust
      brater |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       sr10r |   139.4694   103.5478     1.35   0.182    -66.94941    345.8882
     lnpopmr |   8.206061   11.28737     0.73   0.470     -14.2949    30.70702
             |
         yob |
       1916  |   8.530816   2.043214     4.18   0.000     4.457744    12.60389
       1917  |   19.48854   3.392267     5.74   0.000     12.72618     26.2509
       1918  |   30.06269   5.186738     5.80   0.000     19.72312    40.40227
       1919  |   38.52962   4.245258     9.08   0.000     30.06685    46.99239
       1920  |   44.32925    4.08553    10.85   0.000      36.1849    52.47361
       1921  |   61.04599   4.910573    12.43   0.000     51.25694    70.83503
       1922  |   67.55034   4.403946    15.34   0.000     58.77124    76.32945
       1923  |   71.47407   5.045524    14.17   0.000       61.416    81.53213
       1924  |   85.05495   6.434987    13.22   0.000     72.22704    97.88286
       1925  |   84.92979   7.746899    10.96   0.000     69.48663    100.3729
       1926  |   87.04967   8.984803     9.69   0.000     69.13879    104.9605
       1927  |   101.0824   11.99857     8.42   0.000      77.1637    125.0011
       1928  |   96.20347   13.83179     6.96   0.000      68.6303    123.7766
       1929  |   127.1349   16.80785     7.56   0.000     93.62906    160.6407
       1930  |   117.7319    17.2689     6.82   0.000     83.30702    152.1568
       1931  |   133.2112   18.76823     7.10   0.000     95.79738    170.6249
       1932  |   144.1232   17.64759     8.17   0.000     108.9433     179.303
       1933  |   140.9502   20.98658     6.72   0.000     99.11426    182.7862
       1934  |   160.5484   21.54828     7.45   0.000     117.5927    203.5041
       1935  |   167.0464   23.53837     7.10   0.000     120.1235    213.9693
       1936  |   154.1789   25.97834     5.93   0.000     102.3921    205.9658
       1937  |   146.1186   29.23745     5.00   0.000     87.83481    204.4024
       1938  |   104.6114   31.76349     3.29   0.002     41.29201    167.9307
       1939  |   86.69723    32.0267     2.71   0.008     22.85318    150.5413
       1940  |   16.93526   33.25164     0.51   0.612    -49.35067    83.22118
       1941  |  -21.10158   33.84277    -0.62   0.535    -88.56591    46.36275
             |
       regno |
          2  |   18.53311   5.800223     3.20   0.002     6.970576    30.09564
          3  |   11.96283    16.5061     0.72   0.471    -20.94147    44.86713
          5  |   24.55019   25.06291     0.98   0.331     -25.4118    74.51219
          6  |  -34.61922   19.50427    -1.77   0.080    -73.50027    4.261821
          8  |  -62.10124   13.85223    -4.48   0.000    -89.71516   -34.48732
          9  |  -23.25557   14.69366    -1.58   0.118    -52.54685    6.035711
         10  |  -40.53222   17.42837    -2.33   0.023    -75.27504   -5.789393
         11  |   1.169878   21.84158     0.05   0.957    -42.37052    44.71028
         12  |  -24.19384   14.73733    -1.64   0.105    -53.57217    5.184478
         13  |  -18.35422    15.8176    -1.16   0.250    -49.88603    13.17758
         14  |  -14.52597   18.70546    -0.78   0.440    -51.81462    22.76268
         15  |  -6.082645     19.575    -0.31   0.757     -45.1047    32.93941
         17  |  -88.22416   29.02576    -3.04   0.003     -146.086   -30.36236
         18  |  -24.38386   17.56385    -1.39   0.169    -59.39676    10.62904
         19  |  -25.67864    22.7207    -1.13   0.262    -70.97152    19.61424
         20  |  -23.94929   24.60505    -0.97   0.334    -72.99855    25.09997
         21  |  -39.74009   23.90635    -1.66   0.101    -87.39653    7.916336
         22  |  -52.53482   16.61599    -3.16   0.002    -85.65819   -19.41144
         23  |   -22.3111   17.18076    -1.30   0.198    -56.56031    11.93811
         24  |   45.88781    16.7139     2.75   0.008     12.56927    79.20636
         25  |   21.03919   19.64957     1.07   0.288    -18.13152     60.2099
         26  |   56.93978   19.75769     2.88   0.005     17.55355    96.32601
         27  |  -4.926077   26.43007    -0.19   0.853    -57.61346     47.7613
         28  |  -19.52799   27.25662    -0.72   0.476    -73.86307    34.80708
         29  |  -46.80477   22.03288    -2.12   0.037    -90.72651   -2.883024
         30  |  -48.58908   26.07079    -1.86   0.066    -100.5602    3.382086
         31  |   -29.7167   22.20344    -1.34   0.185    -73.97844    14.54505
         32  |  -12.59602   19.80425    -0.64   0.527    -52.07507    26.88303
         33  |  -25.88476    21.2782    -1.22   0.228    -68.30208    16.53257
         34  |  -4.312336   21.73719    -0.20   0.843    -47.64463    39.01996
         35  |   55.99668   25.37438     2.21   0.031     5.413774    106.5796
         36  |  -23.92066   10.14911    -2.36   0.021    -44.15254   -3.688777
         37  |  -62.44533   16.83967    -3.71   0.000     -96.0146   -28.87606
         38  |   -18.0493   20.03756    -0.90   0.371    -57.99344    21.89485
         39  |  -36.41229   15.51596    -2.35   0.022    -67.34279    -5.48179
         40  |  -54.08855   18.80784    -2.88   0.005     -91.5813    -16.5958
         41  |  -22.30424   14.67503    -1.52   0.133    -51.55838     6.94991
         42  |  -50.72192   7.960718    -6.37   0.000    -66.59133   -34.85252
         43  |   101.4653   15.67469     6.47   0.000     70.21834    132.7122
         44  |   29.71364   28.18888     1.05   0.295    -26.47987    85.90714
         46  |  -2.395734   18.41369    -0.13   0.897    -39.10276    34.31129
         47  |   26.60147   29.33473     0.91   0.368    -31.87625    85.07919
         49  |  -93.49886    27.4984    -3.40   0.001    -148.3159   -38.68181
         50  |  -84.48321    20.1453    -4.19   0.000    -124.6421   -44.32429
         51  |  -86.81714   21.40354    -4.06   0.000    -129.4843   -44.14997
         52  |   26.51545   23.91069     1.11   0.271    -21.14964    74.18054
         53  |   26.63219   19.92063     1.34   0.185    -13.07887    66.34324
         54  |  -51.73515    14.6346    -3.54   0.001     -80.9087    -22.5616
         55  |  -13.04649   16.16545    -0.81   0.422    -45.27172    19.17874
         56  |    -17.486   20.75603    -0.84   0.402    -58.86238    23.89038
         58  |  -51.61487   18.04941    -2.86   0.006    -87.59571   -15.63404
         59  |  -55.19622   15.84556    -3.48   0.001    -86.78376   -23.60868
         61  |  -60.73843   24.49072    -2.48   0.015    -109.5598   -11.91707
         62  |  -49.14446   14.47486    -3.40   0.001    -77.99957   -20.28935
         63  |  -42.36267   17.20188    -2.46   0.016    -76.65399   -8.071351
         64  |  -27.92253   15.42162    -1.81   0.074    -58.66496    2.819903
         65  |   -41.6593   8.604076    -4.84   0.000    -58.81122   -24.50739
         66  |  -17.51824   13.95318    -1.26   0.213    -45.33339    10.29691
         69  |  -17.76226   15.18346    -1.17   0.246    -48.02994    12.50541
         70  |  -20.64042   58.53861    -0.35   0.725     -137.335    96.05416
         71  |  -38.63058   11.02701    -3.50   0.001    -60.61251   -16.64864
         72  |  -68.22917   22.54478    -3.03   0.003    -113.1714   -23.28698
         75  |  -48.16965   26.63865    -1.81   0.075    -101.2728    4.933531
         77  |   -25.8977   11.56706    -2.24   0.028    -48.95622   -2.839189
         79  |   17.59871   40.25992     0.44   0.663    -62.65797    97.85539
         82  |    -98.102   28.21684    -3.48   0.001    -154.3512   -41.85276
         83  |   -96.4049   41.54169    -2.32   0.023    -179.2167   -13.59306
         84  |  -76.45603   29.80716    -2.57   0.012    -135.8755   -17.03654
         85  |  -94.15708    47.6912    -1.97   0.052    -189.2278    .9135889
         87  |    -169.68   101.1849    -1.68   0.098    -371.3883    32.02837
         88  |  -120.5619   50.63088    -2.38   0.020    -221.4927   -19.63109
         89  |  -49.18752   6.821036    -7.21   0.000      -62.785   -35.59003
             |
regno#c.time |
          1  |  -2.279143   1.379113    -1.65   0.103    -5.028354    .4700691
          2  |   -4.94195   3.045998    -1.62   0.109    -11.01404    1.130136
          3  |  -4.258171   2.589481    -1.64   0.104    -9.420208    .9038657
          5  |  -3.980417   1.826848    -2.18   0.033    -7.622173   -.3386618
          6  |  -4.394656   2.036578    -2.16   0.034    -8.454501   -.3348113
          8  |  -1.620913   .4193693    -3.87   0.000     -2.45691   -.7849155
          9  |  -3.253304   1.198093    -2.72   0.008    -5.641659   -.8649482
         10  |  -2.673657   1.058348    -2.53   0.014    -4.783436   -.5638781
         11  |  -2.100746   .5948153    -3.53   0.001    -3.286489   -.9150036
         12  |  -2.400558     .89024    -2.70   0.009    -4.175219   -.6258966
         13  |  -3.385026   1.386607    -2.44   0.017    -6.149177   -.6208744
         14  |  -2.233793   1.056914    -2.11   0.038    -4.340713   -.1268723
         15  |  -3.402742   1.986727    -1.71   0.091    -7.363211    .5577263
         17  |  -1.371892   .1982319    -6.92   0.000     -1.76706   -.9767245
         18  |  -1.904216   1.000734    -1.90   0.061    -3.899143    .0907106
         19  |  -2.571687   1.454382    -1.77   0.081    -5.470943    .3275697
         20  |  -2.882198   1.470167    -1.96   0.054    -5.812921    .0485255
         21  |  -3.125737   1.474748    -2.12   0.037    -6.065594    -.185881
         22  |  -1.852317   .9978716    -1.86   0.068    -3.841537     .136904
         23  |  -3.224503   1.155179    -2.79   0.007     -5.52731   -.9216964
         24  |  -3.365333   .8024882    -4.19   0.000    -4.965064   -1.765602
         25  |  -2.673051   .6912644    -3.87   0.000    -4.051062   -1.295041
         26  |  -4.045838   .4140382    -9.77   0.000    -4.871208   -3.220468
         27  |  -2.838859   1.796861    -1.58   0.119    -6.420835    .7431172
         28  |  -2.328138   .9950944    -2.34   0.022    -4.311823    -.344454
         29  |  -.3743214   .7164285    -0.52   0.603    -1.802495    1.053853
         30  |  -.6647776   .9364339    -0.71   0.480    -2.531524    1.201969
         31  |  -1.254392   .9286743    -1.35   0.181    -3.105671    .5968859
         32  |   -1.77192   .9105204    -1.95   0.056    -3.587009    .0431696
         33  |  -1.394387   1.046654    -1.33   0.187    -3.480853    .6920798
         34  |   -.254581   .2123994    -1.20   0.235    -.6779915    .1688295
         35  |  -4.712558    .912565    -5.16   0.000    -6.531723   -2.893393
         36  |   .5980214   .2838424     2.11   0.039     .0321919    1.163851
         37  |     .48679   .8808883     0.55   0.582    -1.269229    2.242809
         38  |  -1.717408   .8257433    -2.08   0.041    -3.363497   -.0713189
         39  |  -.8444142   .7503872    -1.13   0.264    -2.340284    .6514554
         40  |  -.4881049   1.067669    -0.46   0.649    -2.616464    1.640254
         41  |  -1.607256   .7923041    -2.03   0.046    -3.186685   -.0278266
         42  |   .5712489   .1307781     4.37   0.000     .3105474    .8319503
         43  |   -4.79349   .6153909    -7.79   0.000     -6.02025   -3.566731
         44  |  -2.027015   .8483401    -2.39   0.019     -3.71815   -.3358799
         46  |  -3.902774   .4011449    -9.73   0.000    -4.702442   -3.103107
         47  |   .4390577   1.129967     0.39   0.699    -1.813491    2.691606
         49  |   1.577604   .5513139     2.86   0.006     .4785796    2.676628
         50  |   1.556879   .3433343     4.53   0.000     .8724543    2.241303
         51  |   1.225961   .6805552     1.80   0.076     -.130701    2.582623
         52  |  -2.317242   .5948132    -3.90   0.000    -3.502981   -1.131504
         53  |  -1.713769   .8853696    -1.94   0.057    -3.478721    .0511831
         54  |   .6698542   .8206852     0.82   0.417    -.9661518     2.30586
         55  |  -.6021406   .6815988    -0.88   0.380    -1.960883    .7566017
         56  |   -1.44251   1.193508    -1.21   0.231    -3.821725    .9367039
         58  |  -1.392725   1.816188    -0.77   0.446    -5.013229    2.227779
         59  |   1.553256   .1246119    12.46   0.000     1.304847    1.801666
         61  |   2.003199   .7218414     2.78   0.007     .5642348    3.442164
         62  |   .2190965   .6963722     0.31   0.754    -1.169096    1.607289
         63  |    1.24652   .6536715     1.91   0.061    -.0565504     2.54959
         64  |   .9156962   .4343306     2.11   0.038      .049874    1.781518
         65  |   .8249155    .772882     1.07   0.289    -.7157965    2.365628
         66  |  -.6361359   .5246991    -1.21   0.229    -1.682105    .4098327
         69  |   1.379304   .2925557     4.71   0.000     .7961045    1.962503
         70  |   3.184032   2.198655     1.45   0.152    -1.198906     7.56697
         71  |    1.38821   .1892398     7.34   0.000     1.010968    1.765453
         72  |   1.053379   .3556453     2.96   0.004     .3444126    1.762345
         75  |    -.06002   .3630523    -0.17   0.869    -.7837516    .6637116
         77  |   1.219069   .0196554    62.02   0.000     1.179887    1.258251
         79  |  -2.023377   1.143227    -1.77   0.081    -4.302359    .2556043
         82  |   2.963643   .9237948     3.21   0.002     1.122091    4.805194
         83  |   2.035001   .7184943     2.83   0.006     .6027091    3.467294
         84  |   2.699545   .4125379     6.54   0.000     1.877166    3.521925
         85  |   2.203064   1.077806     2.04   0.045     .0544969    4.351632
         87  |   3.442264   1.818591     1.89   0.062    -.1830313    7.067558
         88  |   3.133604   1.121885     2.79   0.007     .8971673     5.37004
         89  |          0  (omitted)
             |
       _cons |  -96.01843   81.71842    -1.17   0.244    -258.9211    66.88425
------------------------------------------------------------------------------

. *  In logs;
. reg lbrate sr10a lnpopm urbshf i.yob i.regno i.regno#c.time, cluster(regno);
note: 89.regno#c.time omitted because of collinearity

Linear regression                               Number of obs     =      2,025
                                                F(27, 74)         =          .
                                                Prob > F          =          .
                                                R-squared         =     0.9793
                                                Root MSE          =     .13884

                                 (Std. Err. adjusted for 75 clusters in regno)
------------------------------------------------------------------------------
             |               Robust
      lbrate |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       sr10a |   1.470475   .2114422     6.95   0.000     1.049168    1.891783
      lnpopm |  -.0235859   .0622136    -0.38   0.706    -.1475491    .1003774
      urbshf |  -.4005939   .4364698    -0.92   0.362    -1.270279    .4690912
             |
         yob |
       1916  |   .4202439   .0317413    13.24   0.000     .3569981    .4834898
       1917  |   .8842443   .0346025    25.55   0.000     .8152974    .9531913
       1918  |   1.150279   .0445575    25.82   0.000     1.061496    1.239061
       1919  |   1.515463   .0291577    51.97   0.000     1.457365    1.573561
       1920  |    1.64335   .0303697    54.11   0.000     1.582837    1.703863
       1921  |   1.935505   .0349625    55.36   0.000      1.86584    2.005169
       1922  |   2.107735   .0362831    58.09   0.000      2.03544    2.180031
       1923  |   2.220049   .0376015    59.04   0.000     2.145127    2.294972
       1924  |   2.425434   .0407782    59.48   0.000     2.344182    2.506687
       1925  |   2.498661   .0457893    54.57   0.000     2.407424    2.589899
       1926  |   2.553869   .0516742    49.42   0.000     2.450906    2.656832
       1927  |   2.740971   .0624356    43.90   0.000     2.616565    2.865376
       1928  |   2.748295   .0659126    41.70   0.000     2.616961    2.879629
       1929  |   2.962232   .0740364    40.01   0.000     2.814711    3.109753
       1930  |    2.94166   .0688353    42.73   0.000     2.804502    3.078817
       1931  |   3.051157   .0727111    41.96   0.000     2.906277    3.196037
       1932  |   3.131685   .0634126    49.39   0.000     3.005332    3.258037
       1933  |   3.133072   .0658093    47.61   0.000     3.001944      3.2642
       1934  |   3.222338   .0589588    54.65   0.000      3.10486    3.339816
       1935  |   3.287004   .0598985    54.88   0.000     3.167654    3.406354
       1936  |   3.247954   .0681728    47.64   0.000     3.112117    3.383791
       1937  |   3.217906   .0744031    43.25   0.000     3.069655    3.366158
       1938  |   3.003696   .0813219    36.94   0.000     2.841659    3.165733
       1939  |    2.87387   .0820177    35.04   0.000     2.710446    3.037294
       1940  |    2.25141   .0826678    27.23   0.000     2.086691    2.416129
       1941  |   1.537595   .0813278    18.91   0.000     1.375546    1.699644
             |
       regno |
          2  |   -.136117   .0745249    -1.83   0.072     -.284611    .0123771
          3  |   .2592916   .0756744     3.43   0.001     .1085071    .4100761
          5  |   .3993219   .1546055     2.58   0.012     .0912638    .7073801
          6  |  -.6035744   .1141925    -5.29   0.000    -.8311078   -.3760409
          7  |  -1.646156   .1809766    -9.10   0.000     -2.00676   -1.285552
          8  |  -.8788484   .0867125   -10.14   0.000    -1.051627   -.7060699
          9  |  -.4746634   .1134216    -4.18   0.000    -.7006609    -.248666
         10  |  -.5630114   .1688927    -3.33   0.001    -.8995375   -.2264853
         11  |   .1549394   .1522242     1.02   0.312    -.1483739    .4582527
         12  |  -.2312804   .0712373    -3.25   0.002    -.3732239    -.089337
         13  |  -.4353609   .0531315    -8.19   0.000    -.5412278   -.3294939
         14  |  -.1932543    .128742    -1.50   0.138    -.4497783    .0632697
         15  |  -.0477877   .1270588    -0.38   0.708    -.3009579    .2053825
         16  |  -1.428649   .1973979    -7.24   0.000    -1.821973   -1.035325
         17  |  -1.046082    .159865    -6.54   0.000     -1.36462   -.7275444
         18  |  -.2369047     .18975    -1.25   0.216    -.6149899    .1411804
         19  |  -.0776462     .17777    -0.44   0.664    -.4318607    .2765682
         20  |  -.3615312    .160654    -2.25   0.027    -.6816412   -.0414212
         21  |  -.5799049   .1339066    -4.33   0.000    -.8467195   -.3130903
         22  |  -.6628263   .0894122    -7.41   0.000     -.840984   -.4846687
         23  |  -.5260962   .0666213    -7.90   0.000    -.6588421   -.3933503
         24  |   .6414832   .1738547     3.69   0.000     .2950701    .9878963
         25  |   .5457983   .2163086     2.52   0.014      .114794    .9768026
         26  |   .8937237   .1918804     4.66   0.000     .5113937    1.276054
         27  |   .1580097   .1517136     1.04   0.301    -.1442863    .4603056
         28  |  -.0867405   .1324182    -0.66   0.514    -.3505895    .1771085
         29  |   -.530306   .2191637    -2.42   0.018    -.9669991   -.0936129
         30  |  -.4958624    .171331    -2.89   0.005    -.8372468   -.1544779
         31  |  -.1740137   .2129282    -0.82   0.416    -.5982824    .2502549
         32  |   .0403464   .1733358     0.23   0.817    -.3050327    .3857255
         33  |   .0263531    .186265     0.14   0.888     -.344788    .3974943
         34  |   .2493273   .2054819     1.21   0.229    -.1601043     .658759
         35  |   .7576571   .1380252     5.49   0.000     .4826358    1.032678
         36  |  -.1992565   .0460672    -4.33   0.000    -.2910474   -.1074657
         37  |  -.7151201   .1006993    -7.10   0.000    -.9157678   -.5144723
         38  |   .0338594    .166406     0.20   0.839    -.2977117    .3654306
         39  |  -.4953663   .0950525    -5.21   0.000    -.6847626   -.3059701
         40  |   -.691327   .1096023    -6.31   0.000    -.9097143   -.4729397
         41  |  -.0738388   .1370139    -0.54   0.592    -.3468449    .1991673
         42  |  -.7202326   .1202179    -5.99   0.000    -.9597721   -.4806932
         43  |   1.142788   .1247549     9.16   0.000     .8942084    1.391368
         44  |   .1686932   .0497435     3.39   0.001     .0695771    .2678093
         46  |  -.1320794   .0290047    -4.55   0.000    -.1898725   -.0742862
         47  |   .4500937   .0676448     6.65   0.000     .3153086    .5848789
         49  |  -1.046375   .1727042    -6.06   0.000    -1.390496   -.7022542
         50  |  -.9272728   .1592439    -5.82   0.000    -1.244573   -.6099724
         51  |  -1.136792   .1212848    -9.37   0.000    -1.378457   -.8951264
         52  |   .5773256   .1579403     3.66   0.000     .2626227    .8920284
         53  |   .4509015   .1103319     4.09   0.000     .2310605    .6707426
         54  |  -.4251741   .1578194    -2.69   0.009    -.7396361    -.110712
         55  |   .0937556   .1123716     0.83   0.407    -.1301497     .317661
         56  |   .0173203   .1121515     0.15   0.878    -.2061464    .2407871
         58  |  -.5152038   .1291637    -3.99   0.000     -.772568   -.2578396
         59  |  -.4579049   .1115845    -4.10   0.000    -.6802419   -.2355679
         61  |  -.1901593   .1856759    -1.02   0.309    -.5601266     .179808
         62  |  -.2892313   .1073053    -2.70   0.009    -.5030417   -.0754209
         63  |  -.3236428   .0999624    -3.24   0.002    -.5228222   -.1244634
         64  |  -.0195329   .1243184    -0.16   0.876    -.2672426    .2281769
         65  |  -.1952194   .1037388    -1.88   0.064    -.4019236    .0114847
         66  |   .1580629   .1616653     0.98   0.331    -.1640621     .480188
         69  |   .0759109   .1125934     0.67   0.502    -.1484364    .3002582
         70  |   .1782874   .1662122     1.07   0.287    -.1528976    .5094724
         71  |  -.1767608    .054461    -3.25   0.002    -.2852768   -.0682448
         72  |  -.3666854   .1376167    -2.66   0.009    -.6408928   -.0924781
         75  |  -.2233656    .103533    -2.16   0.034    -.4296596   -.0170715
         77  |  -.0138181   .0624009    -0.22   0.825    -.1381546    .1105184
         79  |   .0252407   .1187899     0.21   0.832    -.2114533    .2619346
         82  |  -.8104208   .0795452   -10.19   0.000    -.9689181   -.6519236
         83  |  -.8086988   .0959644    -8.43   0.000    -.9999121   -.6174856
         84  |  -.6275528   .0664328    -9.45   0.000     -.759923   -.4951826
         85  |  -.8393158   .0922947    -9.09   0.000    -1.023217   -.6554146
         87  |   -1.92184   .2485388    -7.73   0.000    -2.417064   -1.426615
         88  |  -.8088637   .0973375    -8.31   0.000    -1.002813   -.6149145
         89  |  -.7304058   .0218998   -33.35   0.000    -.7740421   -.6867694
             |
regno#c.time |
          1  |  -.0393344   .0022867   -17.20   0.000    -.0438909    -.034778
          2  |  -.0540311   .0036902   -14.64   0.000    -.0613839   -.0466782
          3  |  -.0651299   .0046466   -14.02   0.000    -.0743884   -.0558714
          5  |  -.0703916   .0041865   -16.81   0.000    -.0787334   -.0620498
          6  |  -.0150189   .0024608    -6.10   0.000    -.0199222   -.0101156
          7  |   .0216094   .0019163    11.28   0.000     .0177912    .0254276
          8  |  -.0064865   .0016378    -3.96   0.000      -.00975   -.0032231
          9  |   -.032958   .0027655   -11.92   0.000    -.0384683   -.0274477
         10  |  -.0265541   .0025424   -10.44   0.000    -.0316198   -.0214883
         11  |  -.0478876   .0019442   -24.63   0.000    -.0517614   -.0440137
         12  |   -.036953   .0021375   -17.29   0.000    -.0412121   -.0326939
         13  |  -.0285674   .0021424   -13.33   0.000    -.0328362   -.0242987
         14  |  -.0371055    .002654   -13.98   0.000    -.0423937   -.0318174
         15  |  -.0492636   .0039329   -12.53   0.000    -.0571001   -.0414272
         16  |   .0156234   .0017274     9.04   0.000     .0121815    .0190653
         17  |   .0000512   .0013329     0.04   0.969    -.0026046     .002707
         18  |  -.0384085   .0028116   -13.66   0.000    -.0440107   -.0328063
         19  |  -.0481914   .0037779   -12.76   0.000    -.0557191   -.0406638
         20  |  -.0342349     .00348    -9.84   0.000    -.0411689   -.0273009
         21  |  -.0268373   .0036125    -7.43   0.000    -.0340354   -.0196391
         22  |  -.0146266   .0019735    -7.41   0.000    -.0185588   -.0106943
         23  |  -.0304348   .0025032   -12.16   0.000    -.0354226    -.025447
         24  |  -.0714317   .0025399   -28.12   0.000    -.0764925   -.0663709
         25  |  -.0682929   .0023737   -28.77   0.000    -.0730227   -.0635632
         26  |  -.0848382   .0018567   -45.69   0.000    -.0885377   -.0811387
         27  |  -.0556531    .003887   -14.32   0.000    -.0633981   -.0479081
         28  |  -.0410202   .0022055   -18.60   0.000    -.0454148   -.0366257
         29  |  -.0167609   .0025807    -6.49   0.000    -.0219031   -.0116187
         30  |  -.0190345    .002582    -7.37   0.000    -.0241792   -.0138897
         31  |  -.0373128   .0027047   -13.80   0.000    -.0427021   -.0319234
         32  |  -.0469879   .0030607   -15.35   0.000    -.0530864   -.0408894
         33  |  -.0464442   .0028273   -16.43   0.000    -.0520776   -.0408108
         34  |  -.0491793   .0015218   -32.32   0.000    -.0522116    -.046147
         35  |  -.0792842   .0022194   -35.72   0.000    -.0837064    -.074862
         36  |  -.0312718     .00205   -15.25   0.000    -.0353566    -.027187
         37  |  -.0035072   .0026803    -1.31   0.195    -.0088478    .0018335
         38  |  -.0456589   .0029086   -15.70   0.000    -.0514545   -.0398634
         39  |  -.0191254   .0017909   -10.68   0.000    -.0226939    -.015557
         40  |  -.0121565     .00271    -4.49   0.000    -.0175563   -.0067567
         41  |  -.0405479   .0023073   -17.57   0.000    -.0451452   -.0359506
         42  |  -.0058748   .0017184    -3.42   0.001    -.0092988   -.0024507
         43  |  -.0877382   .0020588   -42.62   0.000    -.0918404    -.083636
         44  |  -.0484112   .0046978   -10.31   0.000    -.0577717   -.0390507
         46  |  -.0495982   .0023057   -21.51   0.000    -.0541924   -.0450041
         47  |  -.0479571   .0023552   -20.36   0.000    -.0526499   -.0432644
         49  |   .0125272   .0018417     6.80   0.000     .0088576    .0161968
         50  |   .0050188   .0019238     2.61   0.011     .0011856     .008852
         51  |   .0150907   .0021201     7.12   0.000     .0108663     .019315
         52  |  -.0621338   .0020509   -30.30   0.000    -.0662203   -.0580473
         53  |  -.0546829   .0023255   -23.51   0.000    -.0593166   -.0500492
         54  |  -.0196347   .0027255    -7.20   0.000    -.0250654    -.014204
         55  |  -.0402266   .0020406   -19.71   0.000    -.0442926   -.0361606
         56  |  -.0417239   .0027585   -15.13   0.000    -.0472203   -.0362274
         58  |  -.0168741   .0021601    -7.81   0.000    -.0211782     -.01257
         59  |  -.0146526   .0011745   -12.48   0.000    -.0169929   -.0123124
         61  |  -.0232599   .0025612    -9.08   0.000    -.0283632   -.0181565
         62  |  -.0215421   .0023371    -9.22   0.000    -.0261989   -.0168852
         63  |  -.0203952   .0020222   -10.09   0.000    -.0244244   -.0163659
         64  |  -.0335275   .0019818   -16.92   0.000    -.0374763   -.0295786
         65  |  -.0332255   .0037207    -8.93   0.000    -.0406392   -.0258118
         66  |  -.0458162   .0020434   -22.42   0.000    -.0498877   -.0417448
         69  |  -.0324739   .0013486   -24.08   0.000     -.035161   -.0297867
         70  |  -.0363039   .0027818   -13.05   0.000    -.0418469    -.030761
         71  |  -.0256979    .001327   -19.37   0.000     -.028342   -.0230538
         72  |  -.0259727   .0025803   -10.07   0.000     -.031114   -.0208313
         75  |  -.0359161   .0015463   -23.23   0.000    -.0389972   -.0328351
         77  |  -.0283468   .0006126   -46.27   0.000    -.0295674   -.0271263
         79  |  -.0518164   .0018948   -27.35   0.000    -.0555919   -.0480408
         82  |   .0025792   .0007386     3.49   0.001     .0011076    .0040509
         83  |   .0019212   .0016968     1.13   0.261    -.0014597    .0053021
         84  |   -.003431   .0013862    -2.48   0.016     -.006193   -.0006691
         85  |    .000886   .0015946     0.56   0.580    -.0022913    .0040632
         87  |   .0358159   .0065304     5.48   0.000     .0228037     .048828
         88  |   .0012945   .0017298     0.75   0.457    -.0021522    .0047413
         89  |          0  (omitted)
             |
       _cons |   1.903302   .5498942     3.46   0.001     .8076143     2.99899
------------------------------------------------------------------------------

. reg lbrate sr10a lnpopm urbshf i.yob i.regno i.regno#c.time [aweight=popf], cluster(regno);
(sum of wgt is   2.7470e+07)
note: 89.regno#c.time omitted because of collinearity

Linear regression                               Number of obs     =      2,025
                                                F(27, 74)         =          .
                                                Prob > F          =          .
                                                R-squared         =     0.9793
                                                Root MSE          =     .14323

                                 (Std. Err. adjusted for 75 clusters in regno)
------------------------------------------------------------------------------
             |               Robust
      lbrate |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       sr10a |   .9396765   .6906296     1.36   0.178    -.4364331    2.315786
      lnpopm |  -.0262157   .0733186    -0.36   0.722    -.1723062    .1198748
      urbshf |   -.224036   .4755708    -0.47   0.639    -1.171631    .7235595
             |
         yob |
       1916  |   .4558294   .0356477    12.79   0.000     .3847998     .526859
       1917  |   .9199719   .0397822    23.13   0.000     .8407042    .9992396
       1918  |   1.213056   .0459002    26.43   0.000     1.121598    1.304514
       1919  |   1.569393   .0407654    38.50   0.000     1.488166     1.65062
       1920  |   1.679149   .0458515    36.62   0.000     1.587788     1.77051
       1921  |   1.996667   .0503606    39.65   0.000     1.896321    2.097013
       1922  |    2.14973   .0569611    37.74   0.000     2.036233    2.263228
       1923  |   2.295296   .0617809    37.15   0.000     2.172195    2.418397
       1924  |   2.506033   .0735001    34.10   0.000     2.359581    2.652485
       1925  |   2.574615   .0881813    29.20   0.000      2.39891     2.75032
       1926  |   2.650207   .1137651    23.30   0.000     2.423525    2.876889
       1927  |   2.838833   .1393494    20.37   0.000     2.561173    3.116492
       1928  |   2.861106   .1513499    18.90   0.000     2.559535    3.162678
       1929  |   3.086528   .1672535    18.45   0.000     2.753268    3.419788
       1930  |   3.075363    .173838    17.69   0.000     2.728984    3.421743
       1931  |   3.193713   .1849396    17.27   0.000     2.825213    3.562213
       1932  |   3.264066   .1877956    17.38   0.000     2.889875    3.638256
       1933  |   3.296506   .1945327    16.95   0.000     2.908891     3.68412
       1934  |   3.388753   .1989219    17.04   0.000     2.992393    3.785114
       1935  |   3.455361   .2109685    16.38   0.000     3.034997    3.875725
       1936  |   3.413223   .2288002    14.92   0.000     2.957329    3.869118
       1937  |   3.388925   .2374937    14.27   0.000     2.915708    3.862141
       1938  |   3.168622   .2474419    12.81   0.000     2.675583    3.661661
       1939  |   3.041416   .2402006    12.66   0.000     2.562806    3.520026
       1940  |   2.408365   .2332686    10.32   0.000     1.943568    2.873163
       1941  |   1.681197   .2190503     7.67   0.000      1.24473    2.117664
             |
       regno |
          2  |   .0122095   .1917995     0.06   0.949    -.3699594    .3943784
          3  |   .2787275   .0694458     4.01   0.000     .1403537    .4171013
          5  |   .4128655   .1716879     2.40   0.019     .0707698    .7549611
          6  |  -.6123359   .1175768    -5.21   0.000    -.8466127    -.378059
          7  |  -1.664876   .2543011    -6.55   0.000    -2.171582    -1.15817
          8  |  -.8163628   .0790023   -10.33   0.000    -.9737782   -.6589474
          9  |  -.4397127   .1243735    -3.54   0.001    -.6875322   -.1918932
         10  |  -.5177685   .1690825    -3.06   0.003    -.8546728   -.1808642
         11  |   .2195542   .1453456     1.51   0.135    -.0700533    .5091617
         12  |  -.1858592   .0669858    -2.77   0.007    -.3193313    -.052387
         13  |  -.4427271   .0621887    -7.12   0.000    -.5666407   -.3188134
         14  |  -.1598125   .1363868    -1.17   0.245    -.4315691    .1119442
         15  |   -.024026   .1396252    -0.17   0.864    -.3022352    .2541833
         16  |   -1.42491   .2898171    -4.92   0.000    -2.002383   -.8474366
         17  |  -.9798727   .1967447    -4.98   0.000    -1.371895   -.5878504
         18  |   -.149477   .2003988    -0.75   0.458    -.5487803    .2498263
         19  |  -.0453412    .169104    -0.27   0.789    -.3822882    .2916059
         20  |  -.3443972   .1709127    -2.02   0.048    -.6849483   -.0038462
         21  |  -.5412272   .1166088    -4.64   0.000    -.7735754    -.308879
         22  |  -.6122918   .1171413    -5.23   0.000     -.845701   -.3788826
         23  |   -.484082   .0622722    -7.77   0.000    -.6081621   -.3600019
         24  |     .69042   .2139016     3.23   0.002     .2642117    1.116628
         25  |   .6132391   .2343157     2.62   0.011      .146355    1.080123
         26  |   .9468018   .2042202     4.64   0.000     .5398842    1.353719
         27  |    .163053   .1426435     1.14   0.257    -.1211704    .4472764
         28  |  -.0719105   .1258097    -0.57   0.569    -.3225919    .1787708
         29  |  -.4786936    .221545    -2.16   0.034    -.9201317   -.0372555
         30  |  -.4486591   .1485119    -3.02   0.003    -.7445756   -.1527427
         31  |  -.0993336    .206097    -0.48   0.631    -.5099909    .3113237
         32  |    .082965   .1745972     0.48   0.636    -.2649276    .4308576
         33  |   .0781233   .1719761     0.45   0.651    -.2645464    .4207931
         34  |   .3748052   .2555542     1.47   0.147    -.1343976     .884008
         35  |   .7975447   .1162055     6.86   0.000     .5660002    1.029089
         36  |  -.1579854   .0627455    -2.52   0.014    -.2830086   -.0329622
         37  |  -.6777981   .1117888    -6.06   0.000    -.9005421   -.4550541
         38  |    .083307    .151897     0.55   0.585    -.2193544    .3859685
         39  |  -.4304544   .1500152    -2.87   0.005    -.7293663   -.1315425
         40  |  -.6268841    .111249    -5.63   0.000    -.8485525   -.4052157
         41  |  -.0235955   .1263111    -0.19   0.852    -.2752759    .2280848
         42  |  -.6643045   .1511385    -4.40   0.000    -.9654544   -.3631545
         43  |   1.179945   .1401381     8.42   0.000     .9007139    1.459177
         44  |    .300603   .1154988     2.60   0.011     .0704665    .5307394
         46  |  -.0334557   .0600905    -0.56   0.579    -.1531886    .0862771
         47  |   .5031234   .1315565     3.82   0.000     .2409913    .7652555
         49  |  -.9852678   .1632988    -6.03   0.000    -1.310648   -.6598878
         50  |  -.8728329   .1476913    -5.91   0.000    -1.167114   -.5785516
         51  |  -1.090323   .1403098    -7.77   0.000    -1.369897   -.8107499
         52  |   .6093395   .1352234     4.51   0.000      .339901     .878778
         53  |   .4478742   .1058448     4.23   0.000     .2369738    .6587746
         54  |  -.4442444   .1603464    -2.77   0.007    -.7637417   -.1247471
         55  |   .1279907   .0978159     1.31   0.195    -.0669117     .322893
         56  |   .0265061   .1273646     0.21   0.836    -.2272734    .2802855
         58  |  -.5079482    .198853    -2.55   0.013    -.9041715   -.1117248
         59  |  -.4343794   .1943808    -2.23   0.028    -.8216915   -.0470672
         61  |  -.1711143   .1624413    -1.05   0.296    -.4947857    .1525571
         62  |  -.2843315    .179321    -1.59   0.117    -.6416364    .0729734
         63  |  -.3049289   .1068002    -2.86   0.006    -.5177331   -.0921248
         64  |   .0193012   .1163036     0.17   0.869    -.2124387    .2510411
         65  |   -.138071   .1106688    -1.25   0.216    -.3585835    .0824414
         66  |   .2078234   .1563946     1.33   0.188    -.1037996    .5194464
         69  |   .1632511   .1432732     1.14   0.258     -.122227    .4487291
         70  |   .2985321   .3025494     0.99   0.327    -.3043108     .901375
         71  |  -.1609594    .086673    -1.86   0.067    -.3336592    .0117403
         72  |  -.2976391   .1668671    -1.78   0.079    -.6301291    .0348509
         75  |  -.1236531   .2271947    -0.54   0.588    -.5763484    .3290422
         77  |    .033894   .1003567     0.34   0.737    -.1660711    .2338591
         79  |   .2780574   .3409332     0.82   0.417    -.4012668    .9573816
         82  |  -.7207868   .1851758    -3.89   0.000    -1.089758   -.3518161
         83  |  -.6705671   .2563952    -2.62   0.011    -1.181446   -.1596885
         84  |  -.4944996   .1985183    -2.49   0.015    -.8900561   -.0989432
         85  |  -.6514846   .2371985    -2.75   0.008    -1.124113   -.1788563
         87  |   -1.31716   .7518807    -1.75   0.084    -2.815315     .180995
         88  |  -.6812354   .2794906    -2.44   0.017    -1.238133   -.1243381
         89  |  -.7072096   .0354356   -19.96   0.000    -.7778164   -.6366027
             |
regno#c.time |
          1  |  -.0337544   .0064845    -5.21   0.000     -.046675   -.0208338
          2  |  -.0446956   .0119425    -3.74   0.000    -.0684916   -.0208997
          3  |  -.0559127   .0138272    -4.04   0.000    -.0834639   -.0283615
          5  |  -.0629463   .0113713    -5.54   0.000    -.0856042   -.0402884
          6  |  -.0100024   .0083392    -1.20   0.234    -.0266185    .0066138
          7  |   .0224326   .0023741     9.45   0.000      .017702    .0271631
          8  |   -.004682   .0024328    -1.92   0.058    -.0095294    .0001655
          9  |  -.0277055   .0069672    -3.98   0.000    -.0415878   -.0138231
         10  |  -.0220913   .0053019    -4.17   0.000    -.0326555   -.0115271
         11  |  -.0467881   .0040951   -11.43   0.000    -.0549478   -.0386284
         12  |   -.035738   .0036009    -9.92   0.000    -.0429129   -.0285631
         13  |  -.0268409   .0042872    -6.26   0.000    -.0353833   -.0182985
         14  |  -.0327086    .006745    -4.85   0.000    -.0461484   -.0192689
         15  |  -.0431886   .0099149    -4.36   0.000    -.0629445   -.0234326
         16  |    .015695   .0017794     8.82   0.000     .0121495    .0192404
         17  |   .0005936    .001227     0.48   0.630    -.0018511    .0030384
         18  |  -.0350781    .006973    -5.03   0.000    -.0489721   -.0211841
         19  |   -.041335   .0089749    -4.61   0.000    -.0592179   -.0234521
         20  |  -.0282525   .0083358    -3.39   0.001     -.044862    -.011643
         21  |  -.0229589   .0072728    -3.16   0.002    -.0374503   -.0084674
         22  |  -.0115807   .0035934    -3.22   0.002    -.0187407   -.0044207
         23  |  -.0287977   .0056312    -5.11   0.000    -.0400181   -.0175772
         24  |  -.0685457   .0060962   -11.24   0.000    -.0806926   -.0563987
         25  |   -.065214   .0054854   -11.89   0.000    -.0761438   -.0542842
         26  |  -.0828288   .0037585   -22.04   0.000    -.0903179   -.0753398
         27  |  -.0473142    .010649    -4.44   0.000    -.0685327   -.0260956
         28  |  -.0359499   .0051403    -6.99   0.000    -.0461921   -.0257077
         29  |  -.0119324   .0056625    -2.11   0.038    -.0232151   -.0006497
         30  |  -.0147051   .0050025    -2.94   0.004    -.0246728   -.0047374
         31  |  -.0331658   .0062036    -5.35   0.000    -.0455267   -.0208048
         32  |  -.0420488   .0069807    -6.02   0.000    -.0559583   -.0281394
         33  |   -.040132   .0065765    -6.10   0.000    -.0532359   -.0270281
         34  |  -.0438904   .0038449   -11.42   0.000    -.0515515   -.0362293
         35  |  -.0760562   .0052001   -14.63   0.000    -.0864177   -.0656947
         36  |  -.0264476   .0039096    -6.76   0.000    -.0342377   -.0186574
         37  |   .0004312   .0039167     0.11   0.913     -.007373    .0082354
         38  |  -.0414784   .0055871    -7.42   0.000    -.0526108   -.0303459
         39  |  -.0169334   .0021392    -7.92   0.000    -.0211958   -.0126709
         40  |  -.0086779   .0050825    -1.71   0.092    -.0188051    .0014492
         41  |  -.0361269   .0047718    -7.57   0.000     -.045635   -.0266188
         42  |  -.0020701   .0014696    -1.41   0.163    -.0049983     .000858
         43  |  -.0822633   .0011754   -69.99   0.000    -.0846054   -.0799212
         44  |  -.0486308   .0045317   -10.73   0.000    -.0576605   -.0396011
         46  |  -.0513274   .0017037   -30.13   0.000    -.0547222   -.0479326
         47  |   -.043952   .0041132   -10.69   0.000    -.0521477   -.0357564
         49  |   .0173221   .0023763     7.29   0.000     .0125872     .022057
         50  |   .0112191   .0023872     4.70   0.000     .0064625    .0159757
         51  |   .0193079    .004428     4.36   0.000     .0104849    .0281309
         52  |  -.0569423   .0044539   -12.78   0.000    -.0658169   -.0480677
         53  |  -.0496257   .0052679    -9.42   0.000    -.0601223   -.0391291
         54  |  -.0104239   .0065486    -1.59   0.116    -.0234722    .0026245
         55  |  -.0349828   .0050099    -6.98   0.000    -.0449654   -.0250003
         56  |  -.0352354   .0062107    -5.67   0.000    -.0476105   -.0228603
         58  |  -.0114287   .0048564    -2.35   0.021    -.0211052   -.0017522
         59  |  -.0109375   .0021038    -5.20   0.000    -.0151294   -.0067456
         61  |  -.0155382   .0060862    -2.55   0.013    -.0276651   -.0034112
         62  |   -.015123   .0058503    -2.59   0.012      -.02678   -.0034661
         63  |  -.0154474   .0044238    -3.49   0.001    -.0242619   -.0066328
         64  |  -.0283721   .0039126    -7.25   0.000    -.0361681   -.0205761
         65  |  -.0287233   .0072698    -3.95   0.000    -.0432086   -.0142379
         66  |   -.041166   .0043487    -9.47   0.000    -.0498311    -.032501
         69  |  -.0306035   .0020534   -14.90   0.000     -.034695   -.0265121
         70  |  -.0312888    .009708    -3.22   0.002    -.0506324   -.0119452
         71  |   -.019758   .0023838    -8.29   0.000    -.0245079   -.0150081
         72  |  -.0199842   .0053296    -3.75   0.000    -.0306036   -.0093647
         75  |  -.0309688   .0029535   -10.49   0.000    -.0368538   -.0250838
         77  |  -.0246716   .0008309   -29.69   0.000    -.0263272    -.023016
         79  |  -.0530854   .0059946    -8.86   0.000    -.0650298    -.041141
         82  |    .003797   .0013509     2.81   0.006     .0011052    .0064888
         83  |  -.0001632   .0046873    -0.03   0.972    -.0095028    .0091765
         84  |  -.0038157   .0039379    -0.97   0.336    -.0116622    .0040308
         85  |  -.0025598   .0042324    -0.60   0.547     -.010993    .0058734
         87  |   .0170404   .0208531     0.82   0.416    -.0245103    .0585912
         88  |   .0008405   .0045376     0.19   0.854    -.0082009    .0098819
         89  |          0  (omitted)
             |
       _cons |   2.039312   .9177968     2.22   0.029     .2105614    3.868062
------------------------------------------------------------------------------

. *  Urban age 18-44;
. reg lbrateu sr10u lnpopmu i.yob i.regno i.regno#c.time, cluster(regno);
note: 89.regno#c.time omitted because of collinearity

Linear regression                               Number of obs     =      2,023
                                                F(26, 74)         =          .
                                                Prob > F          =          .
                                                R-squared         =     0.9770
                                                Root MSE          =      .1694

                                 (Std. Err. adjusted for 75 clusters in regno)
------------------------------------------------------------------------------
             |               Robust
     lbrateu |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       sr10u |   1.661219   .2241884     7.41   0.000     1.214513    2.107924
     lnpopmu |  -.1065396   .0730281    -1.46   0.149    -.2520512    .0389721
             |
         yob |
       1916  |   .4502168   .0493336     9.13   0.000     .3519175    .5485162
       1917  |   .9701819   .0533993    18.17   0.000     .8637815    1.076582
       1918  |    1.24585   .0500602    24.89   0.000     1.146103    1.345598
       1919  |   1.735101    .044087    39.36   0.000     1.647256    1.822947
       1920  |   1.917435   .0472881    40.55   0.000     1.823211    2.011658
       1921  |   2.245137   .0469729    47.80   0.000     2.151542    2.338733
       1922  |   2.459743   .0473297    51.97   0.000     2.365436    2.554049
       1923  |   2.633365   .0460605    57.17   0.000     2.541587    2.725142
       1924  |   2.893669    .052246    55.39   0.000     2.789567    2.997772
       1925  |   3.025081   .0588009    51.45   0.000     2.907917    3.142244
       1926  |    3.10372   .0653416    47.50   0.000     2.973524    3.233916
       1927  |   3.341643   .0827691    40.37   0.000     3.176722    3.506564
       1928  |   3.400833   .0826958    41.12   0.000     3.236058    3.565608
       1929  |    3.61541    .090856    39.79   0.000     3.434375    3.796445
       1930  |   3.638054    .082799    43.94   0.000     3.473073    3.803034
       1931  |   3.751665   .0883455    42.47   0.000     3.575632    3.927697
       1932  |   3.830854   .0761159    50.33   0.000      3.67919    3.982518
       1933  |    3.86903   .0775261    49.91   0.000     3.714556    4.023504
       1934  |   3.950911   .0701753    56.30   0.000     3.811084    4.090738
       1935  |   4.045108   .0720749    56.12   0.000     3.901495     4.18872
       1936  |   4.025607    .083988    47.93   0.000     3.858257    4.192956
       1937  |   4.006412   .0899405    44.55   0.000     3.827202    4.185623
       1938  |   3.787585   .0963266    39.32   0.000      3.59565     3.97952
       1939  |   3.642216   .1014169    35.91   0.000     3.440139    3.844294
       1940  |   2.993365   .0976499    30.65   0.000     2.798793    3.187937
       1941  |   2.168495   .1008367    21.51   0.000     1.967574    2.369417
             |
       regno |
          2  |  -.5415683   .1197931    -4.52   0.000    -.7802611   -.3028754
          3  |   .1544133   .0404425     3.82   0.000     .0738298    .2349968
          5  |  -.0529027   .0169368    -3.12   0.003    -.0866501   -.0191554
          6  |  -.2606944   .0142575   -18.28   0.000     -.289103   -.2322857
          7  |  -1.058076   .1794511    -5.90   0.000     -1.41564    -.700512
          8  |  -.6847144   .0537178   -12.75   0.000    -.7917495   -.5776793
          9  |  -.6561744   .0060986  -107.59   0.000    -.6683262   -.6440227
         10  |  -.6516823   .0174174   -37.42   0.000    -.6863873   -.6169774
         11  |  -.1622393   .0394947    -4.11   0.000    -.2409341   -.0835444
         12  |  -.1335248   .0624379    -2.14   0.036     -.257935   -.0091145
         13  |  -.2545881   .0680592    -3.74   0.000    -.3901991   -.1189771
         14  |  -.3410434   .0143042   -23.84   0.000    -.3695451   -.3125417
         15  |  -.3122241   .0024239  -128.81   0.000    -.3170539   -.3073943
         16  |  -.8160178   .2082636    -3.92   0.000    -1.230992   -.4010436
         17  |  -.4838575   .1787226    -2.71   0.008    -.8399702   -.1277449
         18  |  -.7935418    .033092   -23.98   0.000     -.859479   -.7276046
         19  |  -.3488706   .0262005   -13.32   0.000    -.4010762    -.296665
         20  |  -.5437113   .0190515   -28.54   0.000    -.5816722   -.5057504
         21  |  -.4143086   .0657826    -6.30   0.000    -.5453832    -.283234
         22  |  -.3375684   .1046754    -3.22   0.002    -.5461387   -.1289981
         23  |  -.6108943   .0688268    -8.88   0.000    -.7480346    -.473754
         24  |    .140093   .0532463     2.63   0.010     .0339974    .2461886
         25  |  -.0375138   .0440436    -0.85   0.397    -.1252726    .0502449
         26  |   .1960485   .0247098     7.93   0.000     .1468132    .2452839
         27  |  -.0937356   .0521757    -1.80   0.076    -.1976978    .0102267
         28  |  -.1616664   .1301463    -1.24   0.218    -.4209886    .0976558
         29  |  -.3700411   .0321332   -11.52   0.000    -.4340679   -.3060144
         30  |  -.5419547   .0765773    -7.08   0.000    -.6945383   -.3893711
         31  |   -.653348   .0212112   -30.80   0.000    -.6956123   -.6110838
         32  |   -.296557   .0179611   -16.51   0.000    -.3323453   -.2607687
         33  |  -.2759681   .0270728   -10.19   0.000    -.3299119   -.2220243
         34  |   .1170363   .1815036     0.64   0.521    -.2446175    .4786901
         35  |    .326321   .0892015     3.66   0.000     .1485831    .5040589
         36  |  -.3807122   .0109152   -34.88   0.000    -.4024611   -.3589632
         37  |   -.536349   .0850892    -6.30   0.000     -.705893    -.366805
         38  |  -.3330023   .0336509    -9.90   0.000    -.4000533   -.2659514
         39  |  -.5596687   .1156236    -4.84   0.000    -.7900537   -.3292837
         40  |  -.6178789   .0951124    -6.50   0.000    -.8073946   -.4283632
         41  |  -.4253314   .0227924   -18.66   0.000    -.4707463   -.3799165
         42  |    -1.2215   .0915232   -13.35   0.000    -1.403864   -1.039136
         43  |   .7603149   .0220275    34.52   0.000     .7164241    .8042057
         44  |  -.4707953   .0523708    -8.99   0.000    -.5751464   -.3664442
         46  |  -.4348179   .0321565   -13.52   0.000    -.4988912   -.3707446
         47  |  -.3321642   .0217031   -15.30   0.000    -.3754086   -.2889198
         49  |  -.8602191   .1257037    -6.84   0.000    -1.110689    -.609749
         50  |  -1.132252   .0652654   -17.35   0.000    -1.262296   -1.002208
         51  |  -.8298409   .1258474    -6.59   0.000    -1.080597   -.5790844
         52  |   .1847482   .0925729     2.00   0.050     .0002926    .3692038
         53  |   .2489953   .0368573     6.76   0.000     .1755556     .322435
         54  |  -.6643322   .0173049   -38.39   0.000     -.698813   -.6298514
         55  |   -.038792   .0592816    -0.65   0.515    -.1569132    .0793292
         56  |   .0557146   .1202772     0.46   0.645     -.183943    .2953722
         58  |  -.1647251   .1604832    -1.03   0.308    -.4844948    .1550447
         59  |  -.1818445   .1357568    -1.34   0.185    -.4523459    .0886568
         61  |  -.1465503   .0697534    -2.10   0.039    -.2855369   -.0075636
         62  |   .0593498   .1318923     0.45   0.654    -.2034513    .3221508
         63  |  -.4091132   .0972554    -4.21   0.000    -.6028989   -.2153276
         64  |  -.3409146   .0602958    -5.65   0.000    -.4610565   -.2207727
         65  |  -.1673378   .0171785    -9.74   0.000    -.2015666    -.133109
         66  |  -.1887955   .0170752   -11.06   0.000    -.2228186   -.1547723
         69  |  -.1664596   .0425833    -3.91   0.000    -.2513086   -.0816106
         70  |  -.6151847   .1418682    -4.34   0.000    -.8978633   -.3325061
         71  |  -.4733916   .0413657   -11.44   0.000    -.5558145   -.3909686
         72  |  -.3822681   .1087901    -3.51   0.001    -.5990371    -.165499
         75  |  -.1184684   .1167474    -1.01   0.314    -.3510926    .1141558
         77  |   .0258481   .0455799     0.57   0.572    -.0649719    .1166681
         79  |  -.6215696   .1289682    -4.82   0.000    -.8785443   -.3645949
         82  |  -.5621728   .0880727    -6.38   0.000    -.7376615    -.386684
         83  |  -.5463826   .0989551    -5.52   0.000    -.7435549   -.3492103
         84  |  -.6312166   .0659415    -9.57   0.000    -.7626079   -.4998252
         85  |  -.8019782   .0941494    -8.52   0.000     -.989575   -.6143814
         87  |  -1.886526    .255902    -7.37   0.000    -2.396422    -1.37663
         88  |  -.4054265   .0881834    -4.60   0.000    -.5811357   -.2297173
         89  |  -.8440157   .0121587   -69.42   0.000    -.8682425   -.8197889
             |
regno#c.time |
          1  |  -.0440991   .0019045   -23.15   0.000     -.047894   -.0403042
          2  |  -.0391502   .0016309   -24.01   0.000    -.0423998   -.0359006
          3  |  -.0623291   .0036918   -16.88   0.000    -.0696852   -.0549729
          5  |  -.0567373   .0027411   -20.70   0.000     -.062199   -.0512756
          6  |  -.0376268   .0028731   -13.10   0.000    -.0433517    -.031902
          7  |  -.0087162   .0023972    -3.64   0.001    -.0134928   -.0039396
          8  |  -.0154462   .0019265    -8.02   0.000    -.0192847   -.0116076
          9  |   -.027305   .0023586   -11.58   0.000    -.0320047   -.0226053
         10  |  -.0210047   .0020365   -10.31   0.000    -.0250625   -.0169469
         11  |   -.040414   .0014537   -27.80   0.000    -.0433105   -.0375175
         12  |  -.0453979   .0014297   -31.75   0.000    -.0482467   -.0425491
         13  |  -.0400597   .0019324   -20.73   0.000    -.0439101   -.0362093
         14  |  -.0384403   .0019151   -20.07   0.000    -.0422562   -.0346244
         15  |  -.0411856   .0018619   -22.12   0.000    -.0448955   -.0374757
         16  |  -.0144076   .0021743    -6.63   0.000    -.0187399   -.0100753
         17  |  -.0205005   .0016641   -12.32   0.000    -.0238162   -.0171847
         18  |  -.0271542   .0015645   -17.36   0.000    -.0302714   -.0240369
         19  |  -.0428559   .0017258   -24.83   0.000    -.0462946   -.0394172
         20  |  -.0288475   .0021292   -13.55   0.000      -.03309    -.024605
         21  |  -.0354377   .0020445   -17.33   0.000    -.0395114   -.0313639
         22  |  -.0313609   .0017924   -17.50   0.000    -.0349322   -.0277895
         23  |  -.0305295   .0023481   -13.00   0.000    -.0352081   -.0258508
         24  |  -.0590459   .0014295   -41.31   0.000    -.0618941   -.0561976
         25  |  -.0561831   .0014647   -38.36   0.000    -.0591016   -.0532646
         26  |  -.0626981   .0012084   -51.89   0.000    -.0651058   -.0602904
         27  |  -.0503321   .0024919   -20.20   0.000    -.0552973   -.0453668
         28  |  -.0415076   .0019134   -21.69   0.000    -.0453202   -.0376949
         29  |  -.0443246   .0019806   -22.38   0.000    -.0482711   -.0403781
         30  |  -.0273412   .0015921   -17.17   0.000    -.0305134    -.024169
         31  |  -.0296211   .0017059   -17.36   0.000    -.0330203    -.026222
         32  |  -.0455307   .0019454   -23.40   0.000    -.0494071   -.0416544
         33  |   -.044409   .0021743   -20.42   0.000    -.0487413   -.0400766
         34  |  -.0461738   .0019528   -23.64   0.000     -.050065   -.0422827
         35  |   -.064554   .0012275   -52.59   0.000    -.0669999   -.0621081
         36  |  -.0399115   .0025902   -15.41   0.000    -.0450725   -.0347504
         37  |  -.0182445   .0012571   -14.51   0.000    -.0207494   -.0157397
         38  |  -.0378323   .0015844   -23.88   0.000    -.0409893   -.0346752
         39  |  -.0214405   .0013429   -15.97   0.000    -.0241164   -.0187647
         40  |  -.0233048   .0018412   -12.66   0.000    -.0269734   -.0196362
         41  |  -.0304033   .0017254   -17.62   0.000    -.0338413   -.0269653
         42  |   .0059079    .001948     3.03   0.003     .0020264    .0097894
         43  |  -.0818238    .002255   -36.29   0.000     -.086317   -.0773306
         44  |  -.0296581   .0016501   -17.97   0.000    -.0329461   -.0263702
         46  |  -.0383311   .0013848   -27.68   0.000    -.0410903   -.0355719
         47  |  -.0298869   .0015283   -19.56   0.000    -.0329322   -.0268416
         49  |  -.0001195   .0023756    -0.05   0.960     -.004853    .0046141
         50  |   .0045168    .002383     1.90   0.062    -.0002313    .0092649
         51  |  -.0046091   .0017826    -2.59   0.012     -.008161   -.0010572
         52  |  -.0503374   .0011576   -43.49   0.000    -.0526439   -.0480309
         53  |  -.0566471   .0012794   -44.28   0.000    -.0591964   -.0540978
         54  |   -.026628   .0017606   -15.12   0.000    -.0301361   -.0231198
         55  |  -.0430224   .0016651   -25.84   0.000    -.0463403   -.0397045
         56  |  -.0491279   .0018894   -26.00   0.000    -.0528926   -.0453632
         58  |  -.0339799   .0016864   -20.15   0.000      -.03734   -.0306197
         59  |  -.0332865   .0014043   -23.70   0.000    -.0360847   -.0304883
         61  |  -.0400366    .001738   -23.04   0.000    -.0434996   -.0365735
         62  |  -.0412417   .0024117   -17.10   0.000    -.0460472   -.0364363
         63  |   -.028162   .0015351   -18.34   0.000    -.0312208   -.0251031
         64  |  -.0334598    .001207   -27.72   0.000    -.0358649   -.0310547
         65  |  -.0513437   .0019979   -25.70   0.000    -.0553247   -.0473628
         66  |  -.0420139   .0014644   -28.69   0.000    -.0449317   -.0390961
         69  |  -.0351739   .0007637   -46.06   0.000    -.0366957   -.0336522
         70  |  -.0239579   .0009419   -25.44   0.000    -.0258346   -.0220812
         71  |  -.0223069   .0015256   -14.62   0.000    -.0253468    -.019267
         72  |  -.0353931   .0020749   -17.06   0.000    -.0395275   -.0312587
         75  |  -.0485122   .0014393   -33.71   0.000    -.0513801   -.0456443
         77  |  -.0402514   .0007845   -51.31   0.000    -.0418147   -.0386882
         79  |  -.0390689   .0020787   -18.79   0.000    -.0432109    -.034927
         82  |  -.0172846   .0008145   -21.22   0.000    -.0189075   -.0156617
         83  |  -.0154516   .0016101    -9.60   0.000    -.0186599   -.0122434
         84  |  -.0118636   .0017683    -6.71   0.000     -.015387   -.0083402
         85  |  -.0098093   .0008597   -11.41   0.000    -.0115223   -.0080962
         87  |   .0221055   .0074877     2.95   0.004      .007186    .0370251
         88  |  -.0253099   .0016428   -15.41   0.000    -.0285832   -.0220366
         89  |          0  (omitted)
             |
       _cons |   1.491211    .551632     2.70   0.009     .3920606    2.590362
------------------------------------------------------------------------------

. reg lbrateu sr10u lnpopmu i.yob i.regno i.regno#c.time [aweight=popfu], cluster(regno);
(sum of wgt is   1.5722e+07)
note: 89.regno#c.time omitted because of collinearity

Linear regression                               Number of obs     =      2,023
                                                F(26, 74)         =          .
                                                Prob > F          =          .
                                                R-squared         =     0.9808
                                                Root MSE          =     .15281

                                 (Std. Err. adjusted for 75 clusters in regno)
------------------------------------------------------------------------------
             |               Robust
     lbrateu |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       sr10u |   1.151475   .5584053     2.06   0.043     .0388279    2.264122
     lnpopmu |  -.1230193   .0771878    -1.59   0.115    -.2768193    .0307807
             |
         yob |
       1916  |   .4679824    .057228     8.18   0.000     .3539531    .5820117
       1917  |   .9678339   .0496605    19.49   0.000     .8688832    1.066785
       1918  |   1.265001   .0559409    22.61   0.000     1.153536    1.376465
       1919  |    1.74934   .0599611    29.17   0.000     1.629865    1.868815
       1920  |   1.900274   .0622665    30.52   0.000     1.776205    2.024343
       1921  |   2.243947   .0781786    28.70   0.000     2.088173    2.399721
       1922  |   2.448183   .0783106    31.26   0.000     2.292146    2.604221
       1923  |   2.663119   .0831927    32.01   0.000     2.497354    2.828884
       1924  |   2.913581   .0913526    31.89   0.000     2.731558    3.095605
       1925  |   3.039667   .1048939    28.98   0.000     2.830661    3.248672
       1926  |   3.147258   .1302609    24.16   0.000     2.887707    3.406808
       1927  |   3.388793   .1530481    22.14   0.000     3.083838    3.693748
       1928  |   3.445809   .1596751    21.58   0.000      3.12765    3.763969
       1929  |   3.666336   .1741975    21.05   0.000      3.31924    4.013432
       1930  |    3.68168   .1755603    20.97   0.000     3.331868    4.031491
       1931  |   3.811419   .1845905    20.65   0.000     3.443615    4.179224
       1932  |   3.877211   .1872358    20.71   0.000     3.504135    4.250286
       1933  |   3.932963   .1945221    20.22   0.000     3.545369    4.320557
       1934  |   4.006926   .1950533    20.54   0.000     3.618274    4.395579
       1935  |   4.097893    .199984    20.49   0.000     3.699416     4.49637
       1936  |   4.079397   .2084568    19.57   0.000     3.664038    4.494757
       1937  |   4.062981    .211093    19.25   0.000     3.642369    4.483593
       1938  |   3.844832   .2157459    17.82   0.000     3.414949    4.274715
       1939  |   3.698141   .2074074    17.83   0.000     3.284873    4.111409
       1940  |   3.040363   .1985125    15.32   0.000     2.644819    3.435908
       1941  |   2.193983   .1831468    11.98   0.000     1.829055    2.558911
             |
       regno |
          2  |  -.2814389   .2489249    -1.13   0.262    -.7774327    .2145548
          3  |   .1875451   .0423166     4.43   0.000     .1032274    .2718629
          5  |  -.0080098   .0175422    -0.46   0.649    -.0429635    .0269438
          6  |  -.2455753    .014602   -16.82   0.000    -.2746704   -.2164802
          7  |   -1.00281   .1881974    -5.33   0.000    -1.377801   -.6278184
          8  |  -.6212127   .0659242    -9.42   0.000    -.7525694   -.4898559
          9  |  -.6479536   .0114241   -56.72   0.000    -.6707165   -.6251907
         10  |  -.5948593   .0427427   -13.92   0.000    -.6800259   -.5096926
         11  |  -.0621679   .0623969    -1.00   0.322    -.1864965    .0621607
         12  |  -.0769399   .0834307    -0.92   0.359    -.2431792    .0892995
         13  |  -.2340561   .0717885    -3.26   0.002    -.3770977   -.0910144
         14  |  -.2875291   .0379791    -7.57   0.000    -.3632041   -.2118541
         15  |  -.2898964   .0187356   -15.47   0.000     -.327228   -.2525649
         16  |  -.7357588   .2243864    -3.28   0.002    -1.182858   -.2886592
         17  |  -.3966585   .1990423    -1.99   0.050     -.793259    -.000058
         18  |  -.6515064   .0578399   -11.26   0.000     -.766755   -.5362578
         19  |  -.3352554   .0538658    -6.22   0.000    -.4425853   -.2279255
         20  |  -.4857901   .0334172   -14.54   0.000    -.5523753   -.4192049
         21  |  -.3755762   .0724882    -5.18   0.000    -.5200121   -.2311404
         22  |  -.2563336   .1379248    -1.86   0.067    -.5311549    .0184876
         23  |  -.5456729   .0780019    -7.00   0.000    -.7010949   -.3902508
         24  |   .1455481   .0550958     2.64   0.010     .0357674    .2553288
         25  |   .0146207   .0604848     0.24   0.810     -.105898    .1351393
         26  |   .2281586   .0547836     4.16   0.000     .1189998    .3373174
         27  |  -.0759525   .0611386    -1.24   0.218    -.1977737    .0458687
         28  |  -.0987062   .1516792    -0.65   0.517    -.4009337    .2035212
         29  |  -.3174331   .0784624    -4.05   0.000    -.4737728   -.1610934
         30  |  -.4553583   .1116155    -4.08   0.000     -.677757   -.2329596
         31  |  -.5454941   .0614794    -8.87   0.000    -.6679945   -.4229936
         32  |  -.2493302   .0510871    -4.88   0.000    -.3511235    -.147537
         33  |  -.2134064    .056258    -3.79   0.000    -.3255029   -.1013099
         34  |   .0576471    .188471     0.31   0.761    -.3178897    .4331838
         35  |   .3818064   .1162189     3.29   0.002     .1502352    .6133775
         36  |  -.3709492   .0326598   -11.36   0.000    -.4360253   -.3058731
         37  |  -.4785425   .1238136    -3.87   0.000    -.7252464   -.2318385
         38  |  -.2808606   .0623168    -4.51   0.000    -.4050296   -.1566915
         39  |  -.4615037   .1613787    -2.86   0.006    -.7830578   -.1399496
         40  |  -.5417186   .1203708    -4.50   0.000    -.7815627   -.3018746
         41  |    -.39589   .0578758    -6.84   0.000      -.51121   -.2805699
         42  |  -1.165056   .1024699   -11.37   0.000    -1.369232   -.9608805
         43  |   .7486095   .0455524    16.43   0.000     .6578443    .8393746
         44  |  -.4154915   .0776213    -5.35   0.000    -.5701552   -.2608278
         46  |  -.4185876   .0405518   -10.32   0.000    -.4993888   -.3377864
         47  |  -.3162155   .0544084    -5.81   0.000    -.4246266   -.2078043
         49  |  -.7642294   .1602441    -4.77   0.000    -1.083523   -.4449361
         50  |  -1.072309   .1105322    -9.70   0.000     -1.29255   -.8520692
         51  |  -.7596924   .1500456    -5.06   0.000    -1.058665   -.4607201
         52  |   .2253237   .1294741     1.74   0.086     -.032659    .4833065
         53  |   .2563314   .0648586     3.95   0.000     .1270978     .385565
         54  |  -.6867891   .0425115   -16.16   0.000    -.7714951    -.602083
         55  |  -.0186697   .0791142    -0.24   0.814    -.1763082    .1389689
         56  |   .0828677   .1480083     0.56   0.577    -.2120453    .3777806
         58  |  -.1235901   .1865238    -0.66   0.510    -.4952468    .2480667
         59  |  -.1330005   .1658728    -0.80   0.425    -.4635092    .1975082
         61  |  -.1429897   .0892353    -1.60   0.113     -.320795    .0348156
         62  |    .076681   .1566805     0.49   0.626    -.2355116    .3888737
         63  |  -.3715323   .1184684    -3.14   0.002    -.6075859   -.1354788
         64  |  -.3029964   .1005484    -3.01   0.004    -.5033434   -.1026494
         65  |  -.1469335    .043304    -3.39   0.001    -.2332187   -.0606483
         66  |  -.1583332   .0494964    -3.20   0.002    -.2569568   -.0597095
         69  |  -.1399186   .1001841    -1.40   0.167    -.3395396    .0597025
         70  |  -.6332582   .1704408    -3.72   0.000    -.9728689   -.2936474
         71  |  -.4686215   .0706537    -6.63   0.000     -.609402    -.327841
         72  |   -.291986   .1578535    -1.85   0.068     -.606516    .0225439
         75  |  -.0218112   .1944761    -0.11   0.911    -.4093132    .3656909
         77  |   .0621663   .0911989     0.68   0.498    -.1195514    .2438841
         79  |  -.3831951   .3277637    -1.17   0.246    -1.036278    .2698883
         82  |  -.4786159   .1355356    -3.53   0.001    -.7486765   -.2085554
         83  |  -.4226664   .1797804    -2.35   0.021    -.7808867   -.0644461
         84  |  -.5202814   .1553191    -3.35   0.001    -.8297615   -.2108013
         85  |   -.663066   .1736985    -3.82   0.000    -1.009168   -.3169642
         87  |   -1.24062   .5998574    -2.07   0.042    -2.435862   -.0453784
         88  |  -.3062523    .188767    -1.62   0.109    -.6823789    .0698742
         89  |   -.745529   .0072932  -102.22   0.000    -.7600609    -.730997
             |
regno#c.time |
          1  |  -.0364491   .0034958   -10.43   0.000    -.0434147   -.0294836
          2  |   -.032947   .0042046    -7.84   0.000    -.0413248   -.0245691
          3  |  -.0524288   .0079403    -6.60   0.000    -.0682502   -.0366074
          5  |  -.0512214   .0047787   -10.72   0.000    -.0607432   -.0416995
          6  |  -.0278082   .0066987    -4.15   0.000    -.0411557   -.0144607
          7  |  -.0032901   .0027643    -1.19   0.238    -.0087981     .002218
          8  |  -.0113535    .001988    -5.71   0.000    -.0153147   -.0073924
          9  |  -.0201392   .0032095    -6.27   0.000    -.0265344   -.0137441
         10  |  -.0193396   .0025757    -7.51   0.000    -.0244718   -.0142075
         11  |  -.0390777   .0012311   -31.74   0.000    -.0415306   -.0366248
         12  |  -.0411775   .0011227   -36.68   0.000    -.0434145   -.0389405
         13  |  -.0359949   .0018222   -19.75   0.000    -.0396258   -.0323641
         14  |  -.0329415   .0025924   -12.71   0.000    -.0381071    -.027776
         15  |  -.0358742   .0020506   -17.49   0.000    -.0399601   -.0317883
         16  |  -.0095221   .0022716    -4.19   0.000    -.0140484   -.0049957
         17  |  -.0164361   .0015225   -10.80   0.000    -.0194698   -.0134025
         18  |  -.0268722   .0017619   -15.25   0.000    -.0303829   -.0233615
         19  |  -.0350646   .0022981   -15.26   0.000    -.0396437   -.0304856
         20  |  -.0247066   .0023067   -10.71   0.000    -.0293027   -.0201105
         21  |  -.0303456    .002355   -12.89   0.000     -.035038   -.0256532
         22  |  -.0258893   .0017815   -14.53   0.000     -.029439   -.0223396
         23  |  -.0261254    .003099    -8.43   0.000    -.0323002   -.0199506
         24  |  -.0533801   .0015607   -34.20   0.000    -.0564899   -.0502704
         25  |  -.0524907   .0012315   -42.62   0.000    -.0549444   -.0500369
         26  |  -.0576549   .0010667   -54.05   0.000    -.0597803   -.0555296
         27  |  -.0416551   .0041622   -10.01   0.000    -.0499484   -.0333617
         28  |  -.0345617   .0024139   -14.32   0.000    -.0393715    -.029752
         29  |  -.0374065   .0021107   -17.72   0.000    -.0416122   -.0332009
         30  |  -.0237079   .0015215   -15.58   0.000    -.0267397   -.0206762
         31  |  -.0292888   .0013809   -21.21   0.000    -.0320404   -.0265373
         32  |   -.038648   .0028996   -13.33   0.000    -.0444256   -.0328705
         33  |  -.0397868   .0022637   -17.58   0.000    -.0442974   -.0352763
         34  |  -.0363524   .0036181   -10.05   0.000    -.0435616   -.0291431
         35  |  -.0584691   .0009083   -64.37   0.000    -.0602789   -.0566593
         36  |  -.0309645   .0043953    -7.04   0.000    -.0397223   -.0222066
         37  |  -.0116313   .0009936   -11.71   0.000    -.0136111   -.0096514
         38  |  -.0325393   .0014747   -22.07   0.000    -.0354777    -.029601
         39  |  -.0162434   .0013216   -12.29   0.000    -.0188767   -.0136101
         40  |  -.0171423   .0019539    -8.77   0.000    -.0210356    -.013249
         41  |   -.023688   .0015978   -14.83   0.000    -.0268718   -.0205043
         42  |   .0076518   .0015386     4.97   0.000     .0045862    .0107175
         43  |  -.0709815   .0039769   -17.85   0.000    -.0789056   -.0630574
         44  |  -.0259503   .0013681   -18.97   0.000    -.0286762   -.0232244
         46  |  -.0341227   .0016123   -21.16   0.000    -.0373352   -.0309102
         47  |  -.0232915   .0013072   -17.82   0.000    -.0258962   -.0206869
         49  |   .0037511   .0025064     1.50   0.139     -.001243    .0087452
         50  |   .0105108   .0022136     4.75   0.000        .0061    .0149216
         51  |   .0030977   .0025906     1.20   0.236    -.0020642    .0082596
         52  |  -.0422355   .0009028   -46.78   0.000    -.0440344   -.0404366
         53  |  -.0486126   .0010389   -46.79   0.000    -.0506827   -.0465424
         54  |  -.0155926   .0028546    -5.46   0.000    -.0212805   -.0099047
         55  |  -.0340509   .0026016   -13.09   0.000    -.0392346   -.0288671
         56  |  -.0387749   .0028987   -13.38   0.000    -.0445507   -.0329992
         58  |  -.0245514   .0023385   -10.50   0.000     -.029211   -.0198917
         59  |  -.0241715   .0020333   -11.89   0.000    -.0282229     -.02012
         61  |  -.0290809   .0030909    -9.41   0.000    -.0352397   -.0229221
         62  |  -.0289397   .0047807    -6.05   0.000    -.0384654   -.0194139
         63  |  -.0198294   .0022428    -8.84   0.000    -.0242982   -.0153606
         64  |  -.0252097    .001221   -20.65   0.000    -.0276426   -.0227768
         65  |  -.0423643   .0039121   -10.83   0.000    -.0501593   -.0345694
         66  |  -.0348245   .0014709   -23.68   0.000    -.0377554   -.0318937
         69  |    -.02855   .0019068   -14.97   0.000    -.0323494   -.0247505
         70  |  -.0152159   .0011529   -13.20   0.000     -.017513   -.0129188
         71  |  -.0133342   .0020848    -6.40   0.000    -.0174883   -.0091802
         72  |  -.0257001   .0041821    -6.15   0.000    -.0340331   -.0173672
         75  |  -.0387239   .0018673   -20.74   0.000    -.0424445   -.0350032
         77  |  -.0324977   .0004478   -72.57   0.000    -.0333901   -.0316054
         79  |  -.0346962   .0040304    -8.61   0.000    -.0427269   -.0266655
         82  |  -.0102366   .0009172   -11.16   0.000    -.0120641   -.0084091
         83  |  -.0120561   .0035004    -3.44   0.001    -.0190308   -.0050814
         84  |  -.0086874   .0039563    -2.20   0.031    -.0165705   -.0008042
         85  |  -.0081242   .0020655    -3.93   0.000    -.0122398   -.0040087
         87  |   .0051553   .0178678     0.29   0.774     -.030447    .0407576
         88  |  -.0198949   .0027611    -7.21   0.000    -.0253966   -.0143933
         89  |          0  (omitted)
             |
       _cons |   1.863818    .655959     2.84   0.006     .5567915    3.170845
------------------------------------------------------------------------------

. *  Rural age 18-44;
. reg lbrater sr10r lnpopmr i.yob i.regno i.regno#c.time, cluster(regno);
note: 89.regno#c.time omitted because of collinearity

Linear regression                               Number of obs     =      1,971
                                                F(26, 72)         =          .
                                                Prob > F          =          .
                                                R-squared         =     0.9687
                                                Root MSE          =     .15258

                                 (Std. Err. adjusted for 73 clusters in regno)
------------------------------------------------------------------------------
             |               Robust
     lbrater |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       sr10r |   1.527104   .2661354     5.74   0.000     .9965732    2.057635
     lnpopmr |  -.0850279   .0723977    -1.17   0.244    -.2293501    .0592942
             |
         yob |
       1916  |   .3722479   .0368346    10.11   0.000     .2988194    .4456764
       1917  |   .8146575   .0410929    19.82   0.000     .7327403    .8965747
       1918  |   1.042688   .0536614    19.43   0.000      .935716     1.14966
       1919  |   1.379484   .0330139    41.78   0.000     1.313672    1.445296
       1920  |   1.446754   .0358814    40.32   0.000     1.375226    1.518283
       1921  |   1.721336   .0379656    45.34   0.000     1.645653    1.797019
       1922  |   1.831888   .0369556    49.57   0.000     1.758218    1.905558
       1923  |   1.927112   .0336684    57.24   0.000     1.859995    1.994228
       1924  |   2.104363   .0355588    59.18   0.000     2.033478    2.175248
       1925  |   2.142375   .0388628    55.13   0.000     2.064904    2.219847
       1926  |   2.176443   .0439201    49.55   0.000      2.08889    2.263996
       1927  |   2.327503   .0504041    46.18   0.000     2.227024    2.427982
       1928  |   2.301822   .0590057    39.01   0.000     2.184197    2.419448
       1929  |   2.526267   .0710421    35.56   0.000     2.384647    2.667887
       1930  |   2.434443   .0671555    36.25   0.000     2.300571    2.568315
       1931  |   2.543202   .0743274    34.22   0.000     2.395033    2.691371
       1932  |   2.574463   .0624305    41.24   0.000      2.45001    2.698916
       1933  |   2.559524    .068673    37.27   0.000     2.422627    2.696421
       1934  |    2.62205   .0643877    40.72   0.000     2.493695    2.750404
       1935  |   2.638444   .0680873    38.75   0.000     2.502714    2.774173
       1936  |   2.583387   .0766971    33.68   0.000     2.430494     2.73628
       1937  |    2.54495   .0857683    29.67   0.000     2.373974    2.715926
       1938  |   2.311017    .091061    25.38   0.000      2.12949    2.492544
       1939  |   2.200188   .0971005    22.66   0.000     2.006621    2.393754
       1940  |    1.57542   .0969276    16.25   0.000     1.382198    1.768642
       1941  |   .9216638   .0988704     9.32   0.000     .7245692    1.118758
             |
       regno |
          2  |   .3085607   .0356058     8.67   0.000     .2375817    .3795396
          3  |   .3374266   .0809621     4.17   0.000     .1760315    .4988217
          5  |   .4267217   .1081288     3.95   0.000     .2111709    .6422725
          6  |  -.9502813   .1270647    -7.48   0.000     -1.20358   -.6969825
          8  |  -1.001626   .0876449   -11.43   0.000    -1.176343   -.8269091
          9  |  -.5202877   .0633079    -8.22   0.000    -.6464896   -.3940858
         10  |  -.6869141   .0937487    -7.33   0.000    -.8737987   -.5000295
         11  |   .1617823   .1092585     1.48   0.143    -.0560206    .3795852
         12  |  -.2164239   .0776486    -2.79   0.007    -.3712136   -.0616342
         13  |  -.3810672   .0602463    -6.33   0.000     -.501166   -.2609684
         14  |  -.2475577   .0787611    -3.14   0.002    -.4045651   -.0905503
         15  |  -.0542011   .0810417    -0.67   0.506    -.2157548    .1073526
         17  |  -1.269621   .1873862    -6.78   0.000    -1.643168   -.8960733
         18  |  -.3221277   .0908504    -3.55   0.001    -.5032347   -.1410207
         19  |  -.1233716    .121299    -1.02   0.313    -.3651768    .1184335
         20  |  -.4192807   .1095444    -3.83   0.000    -.6376534   -.2009079
         21  |  -.6399782    .129118    -4.96   0.000    -.8973702   -.3825861
         22  |  -.7523898   .1000984    -7.52   0.000    -.9519323   -.5528472
         23  |  -.3473166   .0784763    -4.43   0.000    -.5037562   -.1908769
         24  |   .5614654   .0611035     9.19   0.000     .4396579     .683273
         25  |   .4355949   .0991652     4.39   0.000     .2379127    .6332771
         26  |   .8618166   .0953072     9.04   0.000     .6718251    1.051808
         27  |   .1829232   .1303212     1.40   0.165    -.0768673    .4427138
         28  |   .1062673     .15293     0.69   0.489    -.1985931    .4111277
         29  |  -.7247143   .1180324    -6.14   0.000    -.9600076    -.489421
         30  |  -.5247085   .1482984    -3.54   0.001     -.820336   -.2290811
         31  |  -.2535578   .1287652    -1.97   0.053    -.5102464    .0031309
         32  |  -.0234506   .0993729    -0.24   0.814    -.2215468    .1746456
         33  |  -.0431066   .1266551    -0.34   0.735    -.2955889    .2093757
         34  |  -.1120862   .0667894    -1.68   0.098    -.2452284     .021056
         35  |   .9457811   .1353698     6.99   0.000     .6759263    1.215636
         36  |    -.20112   .0347179    -5.79   0.000    -.2703288   -.1319111
         37  |  -.7493916   .1031723    -7.26   0.000    -.9550618   -.5437213
         38  |   .0235366   .1175929     0.20   0.842    -.2108807    .2579538
         39  |  -.2316127   .0989882    -2.34   0.022    -.4289419   -.0342834
         40  |  -.6589661   .1184397    -5.56   0.000    -.8950714   -.4228608
         41  |  -.0856182   .0865464    -0.99   0.326    -.2581454    .0869089
         42  |  -.8323632   .0231488   -35.96   0.000    -.8785095   -.7862168
         43  |   1.055351   .0650138    16.23   0.000     .9257485    1.184954
         44  |   .1850056   .0674873     2.74   0.008     .0504721    .3195391
         46  |  -.1262599   .0485056    -2.60   0.011    -.2229541   -.0295658
         47  |   .4261985   .0749853     5.68   0.000     .2767181     .575679
         49  |   -1.09393   .1790994    -6.11   0.000    -1.450958   -.7369016
         50  |  -.9655192    .129816    -7.44   0.000    -1.224303   -.7067358
         51  |  -1.195009    .135957    -8.79   0.000    -1.466035   -.9239841
         52  |   .6852177   .1460634     4.69   0.000     .3940456    .9763898
         53  |   .5061472   .0848785     5.96   0.000     .3369451    .6753494
         54  |  -.5186425   .0802133    -6.47   0.000    -.6785449   -.3587401
         55  |   .1181567   .1017814     1.16   0.250    -.0847408    .3210542
         56  |   .1745661   .1263742     1.38   0.171    -.0773563    .4264885
         58  |  -.3776841   .1149072    -3.29   0.002    -.6067475   -.1486208
         59  |  -.3415137   .0870977    -3.92   0.000    -.5151397   -.1678877
         61  |  -.2689709   .1549407    -1.74   0.087    -.5778395    .0398977
         62  |  -.2781321   .0854233    -3.26   0.002    -.4484203   -.1078439
         63  |  -.1891536   .1088987    -1.74   0.087    -.4062393    .0279321
         64  |   .0242096   .1000891     0.24   0.810    -.1753143    .2237336
         65  |  -.3434868   .0523201    -6.57   0.000     -.447785   -.2391886
         66  |   .0899254   .0886332     1.01   0.314    -.0867617    .2666125
         69  |  -.0123658   .0539489    -0.23   0.819    -.1199109    .0951793
         70  |  -.1187886   .1529907    -0.78   0.440    -.4237701    .1861928
         71  |  -.2320875   .0278942    -8.32   0.000    -.2876936   -.1764814
         72  |   -.352489   .1378564    -2.56   0.013    -.6273007   -.0776774
         75  |  -.1778449   .1086383    -1.64   0.106    -.3944113    .0387216
         77  |  -.0635093   .0540096    -1.18   0.244    -.1711754    .0441569
         79  |   .2400163   .1028022     2.33   0.022     .0350838    .4449487
         82  |  -.9870396   .0926136   -10.66   0.000    -1.171661   -.8024178
         83  |  -.9738675   .1129094    -8.63   0.000    -1.198948   -.7487867
         84  |  -.6788217   .0807876    -8.40   0.000    -.8398689   -.5177745
         85  |  -1.121576   .1364372    -8.22   0.000    -1.393558   -.8495932
         87  |  -1.925044   .2799655    -6.88   0.000    -2.483145   -1.366943
         88  |  -1.353976   .1323585   -10.23   0.000    -1.617828   -1.090124
         89  |  -.6502941   .0222422   -29.24   0.000     -.694633   -.6059551
             |
regno#c.time |
          1  |   -.037009   .0036768   -10.07   0.000    -.0443387   -.0296794
          2  |  -.0738423   .0077844    -9.49   0.000    -.0893603   -.0583243
          3  |  -.0641855   .0066752    -9.62   0.000    -.0774923   -.0508787
          5  |  -.0574111   .0048262   -11.90   0.000    -.0670319   -.0477903
          6  |  -.0303251    .004634    -6.54   0.000    -.0395627   -.0210874
          8  |   .0054327   .0016362     3.32   0.001     .0021709    .0086945
          9  |  -.0223886   .0033108    -6.76   0.000    -.0289884   -.0157887
         10  |  -.0108773   .0030839    -3.53   0.001     -.017025   -.0047295
         11  |  -.0319684   .0017273   -18.51   0.000    -.0354117    -.028525
         12  |  -.0293174   .0025811   -11.36   0.000    -.0344628   -.0241721
         13  |  -.0286821    .003734    -7.68   0.000    -.0361257   -.0212386
         14  |  -.0210226   .0029092    -7.23   0.000     -.026822   -.0152233
         15  |  -.0400544   .0052498    -7.63   0.000    -.0505197   -.0295891
         17  |   .0173443    .001285    13.50   0.000     .0147828    .0199058
         18  |  -.0175421    .002855    -6.14   0.000    -.0232336   -.0118507
         19  |  -.0313538   .0040627    -7.72   0.000    -.0394527   -.0232548
         20  |  -.0197894   .0040764    -4.85   0.000    -.0279156   -.0116632
         21  |  -.0158918   .0042102    -3.77   0.000    -.0242848   -.0074988
         22  |  -.0049238   .0029461    -1.67   0.099    -.0107967     .000949
         23  |   -.030212   .0031726    -9.52   0.000    -.0365366   -.0238875
         24  |  -.0535366   .0022591   -23.70   0.000    -.0580401    -.049033
         25  |  -.0455499    .002077   -21.93   0.000    -.0496903   -.0414095
         26  |  -.0666989   .0012791   -52.14   0.000    -.0692489    -.064149
         27  |   -.041635   .0047699    -8.73   0.000    -.0511436   -.0321265
         28  |  -.0331738   .0027594   -12.02   0.000    -.0386746   -.0276731
         29  |   .0116238    .002304     5.05   0.000     .0070309    .0162167
         30  |   .0008084   .0027842     0.29   0.772    -.0047419    .0063587
         31  |  -.0151331   .0027642    -5.47   0.000    -.0206434   -.0096227
         32  |  -.0261771   .0026493    -9.88   0.000    -.0314585   -.0208958
         33  |  -.0258779   .0031366    -8.25   0.000    -.0321305   -.0196253
         34  |  -.0235857   .0007467   -31.59   0.000    -.0250742   -.0220972
         35  |  -.0706995   .0025192   -28.06   0.000    -.0757214   -.0656777
         36  |  -.0146437   .0011565   -12.66   0.000     -.016949   -.0123383
         37  |   .0101109   .0027413     3.69   0.000     .0046462    .0155757
         38  |  -.0288594   .0025955   -11.12   0.000    -.0340333   -.0236854
         39  |  -.0186805   .0023412    -7.98   0.000    -.0233475   -.0140134
         40  |   .0008118   .0031961     0.25   0.800    -.0055594     .007183
         41  |  -.0267606   .0023839   -11.23   0.000    -.0315128   -.0220085
         42  |   .0090546   .0009087     9.96   0.000     .0072431    .0108661
         43  |  -.0664252   .0011537   -57.58   0.000     -.068725   -.0641254
         44  |  -.0384219   .0018622   -20.63   0.000    -.0421343   -.0347096
         46  |  -.0474049   .0008541   -55.50   0.000    -.0491076   -.0457023
         47  |  -.0293621    .002443   -12.02   0.000    -.0342321   -.0244921
         49  |   .0313154   .0020765    15.08   0.000     .0271759    .0354548
         50  |   .0244862   .0013653    17.93   0.000     .0217645    .0272079
         51  |   .0337731   .0020721    16.30   0.000     .0296424    .0379038
         52  |  -.0475264   .0017746   -26.78   0.000     -.051064   -.0439888
         53  |  -.0400184   .0024085   -16.62   0.000    -.0448197   -.0352171
         54  |    .003316   .0023012     1.44   0.154    -.0012715    .0079034
         55  |  -.0244601   .0019466   -12.57   0.000    -.0283407   -.0205795
         56  |  -.0333798   .0032493   -10.27   0.000    -.0398573   -.0269024
         58  |  -.0207019   .0047996    -4.31   0.000    -.0302697   -.0111341
         59  |  -.0024271   .0008545    -2.84   0.006    -.0041306   -.0007236
         61  |   .0019041   .0020918     0.91   0.366    -.0022659     .006074
         62  |   -.014725   .0021729    -6.78   0.000    -.0190566   -.0103935
         63  |  -.0051183   .0018617    -2.75   0.008    -.0088296   -.0014071
         64  |  -.0145449    .001277   -11.39   0.000    -.0170906   -.0119992
         65  |  -.0081284   .0023788    -3.42   0.001    -.0128705   -.0033862
         66  |  -.0260969   .0015783   -16.54   0.000    -.0292431   -.0229507
         69  |  -.0133889   .0008872   -15.09   0.000    -.0151576   -.0116202
         70  |   -.008516   .0053835    -1.58   0.118    -.0192479    .0022158
         71  |  -.0128912   .0009801   -13.15   0.000    -.0148449   -.0109374
         72  |  -.0054555   .0014421    -3.78   0.000    -.0083303   -.0025808
         75  |  -.0237843    .001288   -18.47   0.000    -.0263518   -.0212168
         77  |  -.0119087   .0002453   -48.54   0.000    -.0123977   -.0114196
         79  |  -.0452486   .0028779   -15.72   0.000    -.0509856   -.0395116
         82  |   .0246629   .0025316     9.74   0.000     .0196162    .0297095
         83  |   .0107523   .0021214     5.07   0.000     .0065233    .0149813
         84  |   .0061802   .0012953     4.77   0.000      .003598    .0087623
         85  |   .0133561   .0028736     4.65   0.000     .0076277    .0190845
         87  |   .0239967   .0051479     4.66   0.000     .0137346    .0342589
         88  |   .0263124   .0031616     8.32   0.000     .0200098    .0326149
         89  |          0  (omitted)
             |
       _cons |   2.640668   .4825249     5.47   0.000     1.678772    3.602563
------------------------------------------------------------------------------

. reg lbrater sr10r lnpopmr i.yob i.regno i.regno#c.time [aweight=popfr], cluster(regno);
(sum of wgt is   1.1746e+07)
note: 89.regno#c.time omitted because of collinearity

Linear regression                               Number of obs     =      1,971
                                                F(26, 72)         =          .
                                                Prob > F          =          .
                                                R-squared         =     0.9768
                                                Root MSE          =     .13511

                                 (Std. Err. adjusted for 73 clusters in regno)
------------------------------------------------------------------------------
             |               Robust
     lbrater |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       sr10r |   1.388401   .5323538     2.61   0.011     .3271727    2.449629
     lnpopmr |  -.0406889   .0649814    -0.63   0.533    -.1702269    .0888491
             |
         yob |
       1916  |   .4435751   .0322139    13.77   0.000     .3793578    .5077924
       1917  |   .8719006   .0487269    17.89   0.000     .7747652     .969036
       1918  |   1.135508   .0544038    20.87   0.000     1.027056     1.24396
       1919  |   1.439359    .030586    47.06   0.000     1.378387    1.500331
       1920  |    1.50146   .0395667    37.95   0.000     1.422585    1.580335
       1921  |   1.810616   .0336768    53.76   0.000     1.743483     1.87775
       1922  |   1.908482    .038631    49.40   0.000     1.831473    1.985492
       1923  |   2.005008   .0330783    60.61   0.000     1.939068    2.070948
       1924  |    2.18641   .0296612    73.71   0.000     2.127282    2.245539
       1925  |   2.206594   .0325809    67.73   0.000     2.141646    2.271543
       1926  |   2.241889   .0399664    56.09   0.000     2.162217    2.321561
       1927  |   2.383076   .0519975    45.83   0.000     2.279421    2.486732
       1928  |   2.351761   .0616134    38.17   0.000     2.228937    2.474586
       1929  |   2.581407   .0737269    35.01   0.000     2.434435    2.728379
       1930  |   2.504629   .0805313    31.10   0.000     2.344093    2.665165
       1931  |   2.602792   .0945367    27.53   0.000     2.414336    2.791247
       1932  |   2.637818   .1027257    25.68   0.000     2.433038    2.842598
       1933  |    2.63857   .0979603    26.94   0.000      2.44329    2.833851
       1934  |   2.714359   .1116215    24.32   0.000     2.491846    2.936872
       1935  |   2.735913   .1250988    21.87   0.000     2.486533    2.985292
       1936  |   2.661803   .1420182    18.74   0.000     2.378694    2.944911
       1937  |   2.633154   .1440351    18.28   0.000     2.346025    2.920282
       1938  |   2.403602   .1546124    15.55   0.000     2.095388    2.711816
       1939  |   2.288582   .1586108    14.43   0.000     1.972397    2.604766
       1940  |   1.647233   .1628395    10.12   0.000     1.322618    1.971848
       1941  |   .9748639   .1691395     5.76   0.000     .6376906    1.312037
             |
       regno |
          2  |   .3147234   .0325548     9.67   0.000     .2498266    .3796202
          3  |   .3084395   .0911283     3.38   0.001     .1267785    .4901004
          5  |   .3680321   .1360009     2.71   0.008     .0969192     .639145
          6  |  -.8816256   .1109849    -7.94   0.000     -1.10287   -.6603812
          8  |  -1.024725   .0784248   -13.07   0.000    -1.181062   -.8683881
          9  |  -.5199445   .0786287    -6.61   0.000    -.6766879   -.3632011
         10  |  -.7379336   .0963685    -7.66   0.000    -.9300406   -.5458265
         11  |   .1436614   .1213337     1.18   0.240    -.0982129    .3855357
         12  |  -.2291827   .0815494    -2.81   0.006    -.3917485   -.0666169
         13  |  -.4117752    .084001    -4.90   0.000    -.5792282   -.2443222
         14  |  -.2684623   .1009963    -2.66   0.010    -.4697947   -.0671298
         15  |  -.0823818   .1052367    -0.78   0.436    -.2921674    .1274038
         17  |  -1.359857     .16422    -8.28   0.000    -1.687224   -1.032491
         18  |  -.3287624   .0967623    -3.40   0.001    -.5216544   -.1358704
         19  |  -.1827707   .1254258    -1.46   0.149    -.4328025    .0672612
         20  |  -.4775613    .133313    -3.58   0.001    -.7433159   -.2118066
         21  |  -.6966058   .1325001    -5.26   0.000      -.96074   -.4324716
         22  |  -.7995861   .0938042    -8.52   0.000    -.9865812   -.6125909
         23  |  -.3448715   .0934303    -3.69   0.000    -.5311213   -.1586217
         24  |    .578062   .0889119     6.50   0.000     .4008194    .7553046
         25  |   .4180098   .1085572     3.85   0.000     .2016049    .6344147
         26  |   .8364074   .1081338     7.73   0.000     .6208466    1.051968
         27  |    .117073   .1458355     0.80   0.425    -.1736449    .4077909
         28  |   .0121613   .1529823     0.08   0.937    -.2928034     .317126
         29  |  -.7829328   .1219185    -6.42   0.000    -1.025973   -.5398927
         30  |  -.6111068   .1455391    -4.20   0.000    -.9012337   -.3209798
         31  |   -.308707   .1245881    -2.48   0.016    -.5570687   -.0603452
         32  |  -.0648565   .1083741    -0.60   0.551    -.2808963    .1511833
         33  |  -.1164472   .1189353    -0.98   0.331    -.3535403     .120646
         34  |  -.0667822   .1144738    -0.58   0.561    -.2949816    .1614172
         35  |   .9018471   .1419959     6.35   0.000     .6187835    1.184911
         36  |  -.2103341    .051881    -4.05   0.000     -.313757   -.1069111
         37  |  -.8368361   .0928483    -9.01   0.000    -1.021926   -.6517463
         38  |   -.036657   .1123232    -0.33   0.745    -.2605693    .1872553
         39  |  -.2658827   .0865219    -3.07   0.003     -.438361   -.0934044
         40  |  -.7054649   .1051517    -6.71   0.000     -.915081   -.4958487
         41  |  -.1170721   .0815888    -1.43   0.156    -.2797164    .0455721
         42  |  -.8385207   .0433213   -19.36   0.000    -.9248801   -.7521614
         43  |   .9750914   .0815669    11.95   0.000     .8124908    1.137692
         44  |   .2967819   .1444651     2.05   0.044     .0087961    .5847677
         46  |  -.0048315   .0955318    -0.05   0.960    -.1952707    .1856077
         47  |   .3627699   .1485303     2.44   0.017     .0666803    .6588596
         49  |   -1.21995   .1554233    -7.85   0.000    -1.529781   -.9101193
         50  |  -1.070317   .1130861    -9.46   0.000     -1.29575   -.8448836
         51  |  -1.284195   .1203953   -10.67   0.000    -1.524199   -1.044191
         52  |   .6023456   .1361939     4.42   0.000     .3308479    .8738432
         53  |    .452674   .1078318     4.20   0.000     .2377152    .6676329
         54  |  -.6169092   .0815004    -7.57   0.000    -.7793772   -.4544413
         55  |   .0630579   .0915175     0.69   0.493    -.1193789    .2454947
         56  |   .0912789   .1179385     0.77   0.441    -.1438272     .326385
         58  |  -.4558756   .1027063    -4.44   0.000     -.660617   -.2511343
         59  |   -.403146   .0845012    -4.77   0.000     -.571596   -.2346959
         61  |  -.3932457   .1399468    -2.81   0.006    -.6722247   -.1142668
         62  |  -.3288402   .0783146    -4.20   0.000    -.4849574   -.1727229
         63  |   -.266086   .0978628    -2.72   0.008     -.461172       -.071
         64  |  -.0365623   .0876025    -0.42   0.678    -.2111947    .1380702
         65  |  -.3631756   .0468796    -7.75   0.000    -.4566284   -.2697227
         66  |   .0393298   .0791115     0.50   0.621     -.118376    .1970356
         69  |  -.0302417   .0775308    -0.39   0.698    -.1847964    .1243131
         70  |  -.1546727   .3028115    -0.51   0.611    -.7583165     .448971
         71  |  -.2602747   .0571773    -4.55   0.000    -.3742555   -.1462938
         72  |  -.4514471   .1238692    -3.64   0.001    -.6983759   -.2045184
         75  |  -.2367585   .1364768    -1.73   0.087    -.5088199     .035303
         77  |  -.1034768   .0597888    -1.73   0.088    -.2226637      .01571
         79  |   .2901924   .2060358     1.41   0.163    -.1205324    .7009173
         82  |  -1.027402   .1427483    -7.20   0.000    -1.311965   -.7428382
         83  |  -.9485288   .2112902    -4.49   0.000    -1.369728   -.5273295
         84  |   -.670867   .1517448    -4.42   0.000    -.9733649   -.3683692
         85  |  -1.023124   .2495112    -4.10   0.000    -1.520515   -.5257321
         87  |  -1.729868   .5238647    -3.30   0.001    -2.774173   -.6855631
         88  |  -1.324302   .2593794    -5.11   0.000    -1.841365   -.8072383
         89  |  -.6514798   .0347837   -18.73   0.000    -.7208198   -.5821398
             |
regno#c.time |
          1  |  -.0367528   .0069857    -5.26   0.000    -.0506785   -.0228271
          2  |  -.0724179   .0155469    -4.66   0.000    -.1034101   -.0414256
          3  |  -.0630197   .0131855    -4.78   0.000    -.0893045    -.036735
          5  |  -.0558373   .0092617    -6.03   0.000    -.0743001   -.0373745
          6  |  -.0281154   .0103161    -2.73   0.008    -.0486803   -.0075506
          8  |   .0045783   .0021489     2.13   0.037     .0002944    .0088621
          9  |   -.023183   .0060607    -3.83   0.000    -.0352648   -.0111013
         10  |  -.0101663   .0053621    -1.90   0.062    -.0208554    .0005228
         11  |  -.0348025   .0029955   -11.62   0.000    -.0407738   -.0288311
         12  |  -.0309503   .0045135    -6.86   0.000    -.0399477   -.0219528
         13  |  -.0284917   .0070293    -4.05   0.000    -.0425043   -.0144791
         14  |  -.0222612   .0053646    -4.15   0.000    -.0329554    -.011567
         15  |  -.0398268   .0100937    -3.95   0.000    -.0599483   -.0197054
         17  |   .0166692   .0010402    16.02   0.000     .0145956    .0187429
         18  |  -.0197329   .0050666    -3.89   0.000     -.029833   -.0096329
         19  |  -.0309639    .007385    -4.19   0.000    -.0456856   -.0162421
         20  |  -.0188794   .0074781    -2.52   0.014    -.0337867   -.0039722
         21  |  -.0150319   .0074863    -2.01   0.048    -.0299555   -.0001083
         22  |  -.0045322   .0050856    -0.89   0.376    -.0146702    .0056058
         23  |  -.0329526   .0058689    -5.61   0.000     -.044652   -.0212532
         24  |   -.056162   .0040297   -13.94   0.000    -.0641951   -.0481289
         25  |  -.0479412   .0034993   -13.70   0.000     -.054917   -.0409655
         26  |  -.0689435   .0020222   -34.09   0.000    -.0729747   -.0649122
         27  |  -.0412736   .0091201    -4.53   0.000    -.0594542    -.023093
         28  |  -.0327629   .0050234    -6.52   0.000    -.0427769   -.0227488
         29  |   .0111393   .0036204     3.08   0.003     .0039222    .0183565
         30  |   .0014446   .0047059     0.31   0.760    -.0079364    .0108256
         31  |  -.0158499   .0047046    -3.37   0.001    -.0252284   -.0064713
         32  |  -.0268052   .0045928    -5.84   0.000    -.0359607   -.0176497
         33  |    -.02485   .0053116    -4.68   0.000    -.0354386   -.0142615
         34  |  -.0241022   .0010693   -22.54   0.000    -.0262339   -.0219705
         35  |  -.0736005   .0046028   -15.99   0.000     -.082776    -.064425
         36  |  -.0146833   .0014053   -10.45   0.000    -.0174847    -.011882
         37  |   .0126202   .0044204     2.86   0.006     .0038084    .0214321
         38  |  -.0289115   .0042025    -6.88   0.000     -.037289    -.020534
         39  |  -.0189758   .0038062    -4.99   0.000    -.0265633   -.0113882
         40  |   .0011045   .0054258     0.20   0.839    -.0097117    .0119208
         41  |  -.0274196   .0040013    -6.85   0.000     -.035396   -.0194432
         42  |   .0103531   .0006606    15.67   0.000     .0090363      .01167
         43  |  -.0652642   .0031551   -20.69   0.000    -.0715538   -.0589747
         44  |  -.0442933   .0043346   -10.22   0.000    -.0529342   -.0356523
         46  |   -.054983   .0020853   -26.37   0.000    -.0591399    -.050826
         47  |  -.0261088   .0057635    -4.53   0.000    -.0375982   -.0146195
         49  |   .0339193   .0028183    12.04   0.000     .0283012    .0395375
         50  |   .0270069   .0017457    15.47   0.000     .0235268     .030487
         51  |   .0351311   .0034344    10.23   0.000     .0282847    .0419775
         52  |  -.0480751   .0029727   -16.17   0.000     -.054001   -.0421492
         53  |  -.0400348   .0044263    -9.04   0.000    -.0488585    -.031211
         54  |   .0067427     .00414     1.63   0.108    -.0015102    .0149956
         55  |  -.0245549   .0034411    -7.14   0.000    -.0314146   -.0176951
         56  |  -.0323108   .0060459    -5.34   0.000    -.0443632   -.0202584
         58  |  -.0184081   .0092551    -1.99   0.051    -.0368579    .0000416
         59  |  -.0011414   .0006341    -1.80   0.076    -.0024054    .0001225
         61  |   .0040506   .0036696     1.10   0.273    -.0032647    .0113658
         62  |  -.0135643   .0035535    -3.82   0.000     -.020648   -.0064807
         63  |  -.0041838   .0033043    -1.27   0.210    -.0107707    .0024032
         64  |  -.0141758     .00218    -6.50   0.000    -.0185215   -.0098301
         65  |  -.0075956   .0039223    -1.94   0.057    -.0154147    .0002234
         66  |  -.0264064   .0026248   -10.06   0.000    -.0316389   -.0211739
         69  |  -.0132485   .0015196    -8.72   0.000    -.0162778   -.0102191
         70  |   -.001337   .0112116    -0.12   0.905    -.0236868    .0210128
         71  |  -.0104661   .0009759   -10.72   0.000    -.0124114   -.0085207
         72  |   -.003672   .0018262    -2.01   0.048    -.0073124   -.0000315
         75  |  -.0222641   .0018679   -11.92   0.000    -.0259876   -.0185406
         77  |  -.0110878   .0000584  -189.83   0.000    -.0112042   -.0109713
         79  |  -.0468704   .0058831    -7.97   0.000    -.0585982   -.0351427
         82  |   .0254892   .0047236     5.40   0.000     .0160728    .0349056
         83  |    .009807    .003683     2.66   0.010      .002465     .017149
         84  |   .0067007   .0021088     3.18   0.002     .0024969    .0109045
         85  |   .0104063    .005577     1.87   0.066    -.0007112    .0215239
         87  |   .0179749   .0093498     1.92   0.059    -.0006636    .0366133
         88  |   .0258058   .0057314     4.50   0.000     .0143805    .0372311
         89  |          0  (omitted)
             |
       _cons |   2.346742   .4588248     5.11   0.000     1.432091    3.261392
------------------------------------------------------------------------------

. log close;
      name:  <unnamed>
       log:  C:\research\rfwomen\restat\table3.log
  log type:  text
 closed on:   3 Aug 2016, 10:53:06
--------------------------------------------------------------------------------------------------------------------
